Commit | Line | Data |
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fa95fc59 | 1 | #ifndef lint |
bec6e7fb | 2 | char version[] = "@(#)main.c 2.28 (Berkeley) %G%"; |
fa95fc59 | 3 | #endif |
07670f7d | 4 | |
6e884967 KM |
5 | #include <stdio.h> |
6 | #include <ctype.h> | |
4d308541 KM |
7 | #include <sys/param.h> |
8 | #include <sys/fs.h> | |
9 | #include <sys/inode.h> | |
4d308541 | 10 | #include <sys/stat.h> |
1a724405 | 11 | #include <sys/wait.h> |
6e884967 | 12 | #include <fstab.h> |
1a724405 KM |
13 | #define KERNEL |
14 | #include <sys/dir.h> | |
15 | #undef KERNEL | |
6e884967 | 16 | |
f5971be7 BJ |
17 | /* RECONSTRUCT ONLY BAD CG IN PASS 6 */ |
18 | ||
6e884967 KM |
19 | typedef int (*SIG_TYP)(); |
20 | ||
c312eebd KM |
21 | #define MAXNINDIR (MAXBSIZE / sizeof (daddr_t)) |
22 | #define MAXINOPB (MAXBSIZE / sizeof (struct dinode)) | |
b6407c9d | 23 | #define SPERB (MAXBSIZE / sizeof(short)) |
1a724405 | 24 | #define MINDIRSIZE (sizeof (struct dirtemplate)) |
6e884967 KM |
25 | |
26 | #define MAXDUP 10 /* limit on dup blks (per inode) */ | |
27 | #define MAXBAD 10 /* limit on bad blks (per inode) */ | |
28 | ||
29 | #define USTATE 0 /* inode not allocated */ | |
30 | #define FSTATE 01 /* inode is file */ | |
31 | #define DSTATE 02 /* inode is directory */ | |
32 | #define CLEAR 03 /* inode is to be cleared */ | |
33 | ||
34 | typedef struct dinode DINODE; | |
35 | typedef struct direct DIRECT; | |
36 | ||
37 | #define ALLOC ((dp->di_mode & IFMT) != 0) | |
24a31719 | 38 | #define DIRCT ((dp->di_mode & IFMT) == IFDIR) |
6e884967 KM |
39 | #define REG ((dp->di_mode & IFMT) == IFREG) |
40 | #define BLK ((dp->di_mode & IFMT) == IFBLK) | |
41 | #define CHR ((dp->di_mode & IFMT) == IFCHR) | |
690f77ba | 42 | #define LNK ((dp->di_mode & IFMT) == IFLNK) |
af5ba2f8 KM |
43 | #define SOCK ((dp->di_mode & IFMT) == IFSOCK) |
44 | #define BADBLK ((dp->di_mode & IFMT) == IFMT) | |
ea47352d | 45 | #define SPECIAL (BLK || CHR) |
6e884967 | 46 | |
6e884967 KM |
47 | struct bufarea { |
48 | struct bufarea *b_next; /* must be first */ | |
49 | daddr_t b_bno; | |
50 | int b_size; | |
51 | union { | |
b6407c9d | 52 | char b_buf[MAXBSIZE]; /* buffer space */ |
6e884967 | 53 | short b_lnks[SPERB]; /* link counts */ |
b6407c9d | 54 | daddr_t b_indir[MAXNINDIR]; /* indirect block */ |
6e884967 KM |
55 | struct fs b_fs; /* super block */ |
56 | struct cg b_cg; /* cylinder group */ | |
b6407c9d | 57 | struct dinode b_dinode[MAXINOPB]; /* inode block */ |
6e884967 KM |
58 | } b_un; |
59 | char b_dirty; | |
60 | }; | |
61 | ||
62 | typedef struct bufarea BUFAREA; | |
63 | ||
64 | BUFAREA inoblk; /* inode blocks */ | |
65 | BUFAREA fileblk; /* other blks in filesys */ | |
66 | BUFAREA sblk; /* file system superblock */ | |
1a724405 | 67 | BUFAREA cgblk; /* cylinder group blocks */ |
6e884967 KM |
68 | |
69 | #define initbarea(x) (x)->b_dirty = 0;(x)->b_bno = (daddr_t)-1 | |
70 | #define dirty(x) (x)->b_dirty = 1 | |
71 | #define inodirty() inoblk.b_dirty = 1 | |
72 | #define sbdirty() sblk.b_dirty = 1 | |
73 | #define cgdirty() cgblk.b_dirty = 1 | |
74 | ||
75 | #define dirblk fileblk.b_un | |
76 | #define sblock sblk.b_un.b_fs | |
77 | #define cgrp cgblk.b_un.b_cg | |
78 | ||
79 | struct filecntl { | |
80 | int rfdes; | |
81 | int wfdes; | |
82 | int mod; | |
83 | } dfile; /* file descriptors for filesys */ | |
84 | ||
1a724405 KM |
85 | struct inodesc { |
86 | char id_type; /* type of descriptor, DATA or ADDR */ | |
87 | int (*id_func)(); /* function to be applied to blocks of inode */ | |
88 | ino_t id_number; /* inode number described */ | |
89 | ino_t id_parent; /* for DATA nodes, their parent */ | |
90 | daddr_t id_blkno; /* current block number being examined */ | |
91 | int id_numfrags; /* number of frags contained in block */ | |
92 | long id_filesize; /* for DATA nodes, the size of the directory */ | |
93 | int id_loc; /* for DATA nodes, current location in dir */ | |
94 | int id_entryno; /* for DATA nodes, current entry number */ | |
95 | DIRECT *id_dirp; /* for data nodes, ptr to current entry */ | |
96 | enum {DONTKNOW, NOFIX, FIX} id_fix; /* policy on fixing errors */ | |
97 | }; | |
98 | /* file types */ | |
99 | #define DATA 1 | |
100 | #define ADDR 2 | |
101 | ||
102 | ||
6e884967 KM |
103 | #define DUPTBLSIZE 100 /* num of dup blocks to remember */ |
104 | daddr_t duplist[DUPTBLSIZE]; /* dup block table */ | |
105 | daddr_t *enddup; /* next entry in dup table */ | |
106 | daddr_t *muldup; /* multiple dups part of table */ | |
107 | ||
5ca02310 | 108 | #define MAXLNCNT 500 /* num zero link cnts to remember */ |
6e884967 KM |
109 | ino_t badlncnt[MAXLNCNT]; /* table of inos with zero link cnts */ |
110 | ino_t *badlnp; /* next entry in table */ | |
111 | ||
112 | char rawflg; | |
113 | char nflag; /* assume a no response */ | |
114 | char yflag; /* assume a yes response */ | |
115 | int bflag; /* location of alternate super block */ | |
6994bf5d | 116 | int debug; /* output debugging info */ |
6e884967 KM |
117 | char preen; /* just fix normal inconsistencies */ |
118 | char rplyflag; /* any questions asked? */ | |
119 | char hotroot; /* checking root device */ | |
120 | char fixcg; /* corrupted free list bit maps */ | |
121 | ||
79f5f76a | 122 | char *blockmap; /* ptr to primary blk allocation map */ |
6e884967 KM |
123 | char *freemap; /* ptr to secondary blk allocation map */ |
124 | char *statemap; /* ptr to inode state table */ | |
125 | short *lncntp; /* ptr to link count table */ | |
126 | ||
6e884967 | 127 | char *srchname; /* name being searched for in dir */ |
1a724405 KM |
128 | char pathname[BUFSIZ]; /* current pathname */ |
129 | char *pathp; /* pointer to pathname position */ | |
aac37e2e | 130 | char *endpathname = &pathname[BUFSIZ - 2]; |
6e884967 KM |
131 | |
132 | char *lfname = "lost+found"; | |
133 | ||
6e884967 | 134 | ino_t imax; /* number of inodes */ |
6e884967 KM |
135 | ino_t lastino; /* hiwater mark of inodes */ |
136 | ino_t lfdir; /* lost & found directory */ | |
6e884967 | 137 | |
6e884967 | 138 | off_t maxblk; /* largest logical blk in file */ |
79f5f76a | 139 | off_t bmapsz; /* num chars in blockmap */ |
6e884967 KM |
140 | |
141 | daddr_t n_ffree; /* number of small free blocks */ | |
142 | daddr_t n_bfree; /* number of large free blocks */ | |
143 | daddr_t n_blks; /* number of blocks used */ | |
144 | daddr_t n_files; /* number of files seen */ | |
145 | daddr_t n_index; | |
146 | daddr_t n_bad; | |
147 | daddr_t fmax; /* number of blocks in the volume */ | |
148 | ||
149 | daddr_t badblk; | |
150 | daddr_t dupblk; | |
151 | ||
152 | int inosumbad; | |
153 | int offsumbad; | |
f3c028b7 | 154 | int frsumbad; |
184d432f | 155 | int sbsumbad; |
6e884967 | 156 | |
6e884967 KM |
157 | #define zapino(x) (*(x) = zino) |
158 | struct dinode zino; | |
159 | ||
79f5f76a KM |
160 | #define setbmap(x) setbit(blockmap, x) |
161 | #define getbmap(x) isset(blockmap, x) | |
162 | #define clrbmap(x) clrbit(blockmap, x) | |
6e884967 KM |
163 | |
164 | #define setfmap(x) setbit(freemap, x) | |
165 | #define getfmap(x) isset(freemap, x) | |
166 | #define clrfmap(x) clrbit(freemap, x) | |
167 | ||
1a724405 | 168 | #define ALTERED 010 |
6e884967 KM |
169 | #define KEEPON 04 |
170 | #define SKIP 02 | |
171 | #define STOP 01 | |
172 | ||
173 | int (*signal())(); | |
174 | long lseek(); | |
175 | time_t time(); | |
176 | DINODE *ginode(); | |
1a724405 | 177 | DIRECT *fsck_readdir(); |
6e884967 | 178 | BUFAREA *getblk(); |
6e884967 | 179 | int catch(); |
1a724405 KM |
180 | int findino(), mkentry(), chgdd(); |
181 | int pass1check(), pass1bcheck(), pass2check(), pass4check(); | |
182 | char *rawname(), *unrawname(); | |
183 | char *calloc(), *strcpy(), *strcat(), *rindex(); | |
97656a89 | 184 | extern int inside[], around[]; |
b6407c9d | 185 | extern unsigned char *fragtbl[]; |
6e884967 KM |
186 | |
187 | char *devname; | |
188 | ||
189 | main(argc, argv) | |
8ebf61ca KM |
190 | int argc; |
191 | char *argv[]; | |
6e884967 KM |
192 | { |
193 | struct fstab *fsp; | |
194 | int pid, passno, anygtr, sumstatus; | |
195 | ||
196 | sync(); | |
197 | while (--argc > 0 && **++argv == '-') { | |
198 | switch (*++*argv) { | |
199 | ||
200 | case 'p': | |
201 | preen++; | |
202 | break; | |
203 | ||
204 | case 'b': | |
1a724405 KM |
205 | if (argv[0][1] != '\0') { |
206 | bflag = atoi(argv[0]+1); | |
207 | } else { | |
208 | bflag = atoi(*++argv); | |
209 | argc--; | |
210 | } | |
6e884967 KM |
211 | printf("Alternate super block location: %d\n", bflag); |
212 | break; | |
213 | ||
6994bf5d KM |
214 | case 'd': |
215 | debug++; | |
216 | break; | |
217 | ||
6e884967 KM |
218 | case 'n': /* default no answer flag */ |
219 | case 'N': | |
220 | nflag++; | |
221 | yflag = 0; | |
222 | break; | |
223 | ||
224 | case 'y': /* default yes answer flag */ | |
225 | case 'Y': | |
226 | yflag++; | |
227 | nflag = 0; | |
228 | break; | |
229 | ||
230 | default: | |
231 | errexit("%c option?\n", **argv); | |
232 | } | |
233 | } | |
234 | if (signal(SIGINT, SIG_IGN) != SIG_IGN) | |
1a724405 | 235 | (void)signal(SIGINT, catch); |
6e884967 KM |
236 | if (argc) { |
237 | while (argc-- > 0) { | |
238 | hotroot = 0; | |
d2c95d76 | 239 | checkfilesys(*argv++); |
6e884967 KM |
240 | } |
241 | exit(0); | |
242 | } | |
243 | sumstatus = 0; | |
244 | passno = 1; | |
245 | do { | |
246 | anygtr = 0; | |
247 | if (setfsent() == 0) | |
248 | errexit("Can't open checklist file: %s\n", FSTAB); | |
249 | while ((fsp = getfsent()) != 0) { | |
250 | if (strcmp(fsp->fs_type, FSTAB_RW) && | |
fa95fc59 SL |
251 | strcmp(fsp->fs_type, FSTAB_RO) && |
252 | strcmp(fsp->fs_type, FSTAB_RQ)) | |
6e884967 KM |
253 | continue; |
254 | if (preen == 0 || | |
255 | passno == 1 && fsp->fs_passno == passno) { | |
256 | if (blockcheck(fsp->fs_spec) == 0 && preen) | |
257 | exit(8); | |
258 | } else if (fsp->fs_passno > passno) | |
259 | anygtr = 1; | |
260 | else if (fsp->fs_passno == passno) { | |
261 | pid = fork(); | |
262 | if (pid < 0) { | |
263 | perror("fork"); | |
264 | exit(8); | |
265 | } | |
266 | if (pid == 0) | |
267 | if (blockcheck(fsp->fs_spec)==0) | |
268 | exit(8); | |
269 | else | |
270 | exit(0); | |
271 | } | |
272 | } | |
273 | if (preen) { | |
1a724405 | 274 | union wait status; |
6e884967 | 275 | while (wait(&status) != -1) |
1a724405 | 276 | sumstatus |= status.w_retcode; |
6e884967 KM |
277 | } |
278 | passno++; | |
279 | } while (anygtr); | |
280 | if (sumstatus) | |
281 | exit(8); | |
1a724405 | 282 | (void)endfsent(); |
6e884967 KM |
283 | exit(0); |
284 | } | |
285 | ||
286 | blockcheck(name) | |
287 | char *name; | |
288 | { | |
4d308541 | 289 | struct stat stslash, stblock, stchar; |
6e884967 KM |
290 | char *raw; |
291 | int looped = 0; | |
292 | ||
293 | hotroot = 0; | |
294 | if (stat("/", &stslash) < 0){ | |
295 | error("Can't stat root\n"); | |
296 | return (0); | |
297 | } | |
298 | retry: | |
299 | if (stat(name, &stblock) < 0){ | |
300 | error("Can't stat %s\n", name); | |
301 | return (0); | |
302 | } | |
303 | if (stblock.st_mode & S_IFBLK) { | |
304 | raw = rawname(name); | |
305 | if (stat(raw, &stchar) < 0){ | |
306 | error("Can't stat %s\n", raw); | |
307 | return (0); | |
308 | } | |
309 | if (stchar.st_mode & S_IFCHR) { | |
310 | if (stslash.st_dev == stblock.st_rdev) { | |
311 | hotroot++; | |
addfa1aa | 312 | raw = unrawname(name); |
6e884967 | 313 | } |
d2c95d76 | 314 | checkfilesys(raw); |
6e884967 KM |
315 | return (1); |
316 | } else { | |
317 | error("%s is not a character device\n", raw); | |
318 | return (0); | |
319 | } | |
320 | } else if (stblock.st_mode & S_IFCHR) { | |
321 | if (looped) { | |
322 | error("Can't make sense out of name %s\n", name); | |
323 | return (0); | |
324 | } | |
325 | name = unrawname(name); | |
326 | looped++; | |
327 | goto retry; | |
328 | } | |
329 | error("Can't make sense out of name %s\n", name); | |
330 | return (0); | |
331 | } | |
332 | ||
d2c95d76 BJ |
333 | checkfilesys(filesys) |
334 | char *filesys; | |
6e884967 | 335 | { |
6e884967 | 336 | |
d2c95d76 BJ |
337 | devname = filesys; |
338 | if (setup(filesys) == 0) { | |
6e884967 | 339 | if (preen) |
d2c95d76 | 340 | pfatal("CAN'T CHECK FILE SYSTEM."); |
6e884967 KM |
341 | return; |
342 | } | |
d2c95d76 | 343 | /* 1: scan inodes tallying blocks used */ |
690f77ba KM |
344 | if (preen == 0) { |
345 | printf("** Last Mounted on %s\n", sblock.fs_fsmnt); | |
6e884967 KM |
346 | if (hotroot) |
347 | printf("** Root file system\n"); | |
348 | printf("** Phase 1 - Check Blocks and Sizes\n"); | |
349 | } | |
d2c95d76 BJ |
350 | pass1(); |
351 | ||
f5971be7 | 352 | /* 1b: locate first references to duplicates, if any */ |
d2c95d76 BJ |
353 | if (enddup != &duplist[0]) { |
354 | if (preen) | |
355 | pfatal("INTERNAL ERROR: dups with -p"); | |
356 | printf("** Phase 1b - Rescan For More DUPS\n"); | |
357 | pass1b(); | |
358 | } | |
359 | ||
1a724405 | 360 | /* 2: traverse directories from root to mark all connected directories */ |
d2c95d76 BJ |
361 | if (preen == 0) |
362 | printf("** Phase 2 - Check Pathnames\n"); | |
363 | pass2(); | |
364 | ||
1a724405 | 365 | /* 3: scan inodes looking for disconnected directories */ |
d2c95d76 BJ |
366 | if (preen == 0) |
367 | printf("** Phase 3 - Check Connectivity\n"); | |
368 | pass3(); | |
369 | ||
1a724405 | 370 | /* 4: scan inodes looking for disconnected files; check reference counts */ |
d2c95d76 BJ |
371 | if (preen == 0) |
372 | printf("** Phase 4 - Check Reference Counts\n"); | |
373 | pass4(); | |
374 | ||
1a724405 | 375 | /* 5: check resource counts in cylinder groups */ |
d2c95d76 BJ |
376 | if (preen == 0) |
377 | printf("** Phase 5 - Check Cyl groups\n"); | |
378 | pass5(); | |
379 | ||
380 | if (fixcg) { | |
381 | if (preen == 0) | |
382 | printf("** Phase 6 - Salvage Cylinder Groups\n"); | |
383 | makecg(); | |
384 | n_ffree = sblock.fs_cstotal.cs_nffree; | |
385 | n_bfree = sblock.fs_cstotal.cs_nbfree; | |
386 | } | |
387 | ||
388 | pwarn("%d files, %d used, %d free (%d frags, %d blocks)\n", | |
389 | n_files, n_blks - howmany(sblock.fs_cssize, sblock.fs_fsize), | |
390 | n_ffree + sblock.fs_frag * n_bfree, n_ffree, n_bfree); | |
391 | if (dfile.mod) { | |
1a724405 | 392 | (void)time(&sblock.fs_time); |
d2c95d76 BJ |
393 | sbdirty(); |
394 | } | |
395 | ckfini(); | |
396 | free(blockmap); | |
397 | free(freemap); | |
398 | free(statemap); | |
1a724405 | 399 | free((char *)lncntp); |
addfa1aa BJ |
400 | if (!dfile.mod) |
401 | return; | |
402 | if (!preen) { | |
403 | printf("\n***** FILE SYSTEM WAS MODIFIED *****\n"); | |
404 | if (hotroot) | |
405 | printf("\n***** REBOOT UNIX *****\n"); | |
406 | } | |
407 | if (hotroot) { | |
408 | sync(); | |
409 | exit(4); | |
f5971be7 | 410 | } |
f5971be7 BJ |
411 | } |
412 | ||
413 | setup(dev) | |
414 | char *dev; | |
415 | { | |
416 | dev_t rootdev; | |
417 | struct stat statb; | |
1a724405 KM |
418 | daddr_t super = bflag ? bflag : SBLOCK; |
419 | int i, j, c, d, cgd; | |
420 | long size; | |
421 | BUFAREA asblk; | |
422 | # define altsblock asblk.b_un.b_fs | |
f5971be7 | 423 | |
f5971be7 BJ |
424 | if (stat("/", &statb) < 0) |
425 | errexit("Can't stat root\n"); | |
426 | rootdev = statb.st_dev; | |
427 | if (stat(dev, &statb) < 0) { | |
428 | error("Can't stat %s\n", dev); | |
429 | return (0); | |
430 | } | |
431 | rawflg = 0; | |
432 | if ((statb.st_mode & S_IFMT) == S_IFBLK) | |
433 | ; | |
434 | else if ((statb.st_mode & S_IFMT) == S_IFCHR) | |
435 | rawflg++; | |
436 | else { | |
437 | if (reply("file is not a block or character device; OK") == 0) | |
438 | return (0); | |
439 | } | |
440 | if (rootdev == statb.st_rdev) | |
441 | hotroot++; | |
442 | if ((dfile.rfdes = open(dev, 0)) < 0) { | |
443 | error("Can't open %s\n", dev); | |
444 | return (0); | |
445 | } | |
446 | if (preen == 0) | |
447 | printf("** %s", dev); | |
448 | if (nflag || (dfile.wfdes = open(dev, 1)) < 0) { | |
449 | dfile.wfdes = -1; | |
450 | if (preen) | |
451 | pfatal("NO WRITE ACCESS"); | |
452 | printf(" (NO WRITE)"); | |
453 | } | |
454 | if (preen == 0) | |
455 | printf("\n"); | |
456 | fixcg = 0; inosumbad = 0; offsumbad = 0; frsumbad = 0; sbsumbad = 0; | |
457 | dfile.mod = 0; | |
458 | n_files = n_blks = n_ffree = n_bfree = 0; | |
459 | muldup = enddup = &duplist[0]; | |
460 | badlnp = &badlncnt[0]; | |
461 | lfdir = 0; | |
462 | rplyflag = 0; | |
463 | initbarea(&sblk); | |
464 | initbarea(&fileblk); | |
465 | initbarea(&inoblk); | |
466 | initbarea(&cgblk); | |
1a724405 | 467 | initbarea(&asblk); |
f5971be7 BJ |
468 | /* |
469 | * Read in the super block and its summary info. | |
470 | */ | |
1a724405 | 471 | if (bread(&dfile, (char *)&sblock, super, (long)SBSIZE) == 0) |
f5971be7 BJ |
472 | return (0); |
473 | sblk.b_bno = super; | |
474 | sblk.b_size = SBSIZE; | |
475 | /* | |
476 | * run a few consistency checks of the super block | |
477 | */ | |
478 | if (sblock.fs_magic != FS_MAGIC) | |
479 | { badsb("MAGIC NUMBER WRONG"); return (0); } | |
480 | if (sblock.fs_ncg < 1) | |
481 | { badsb("NCG OUT OF RANGE"); return (0); } | |
482 | if (sblock.fs_cpg < 1 || sblock.fs_cpg > MAXCPG) | |
483 | { badsb("CPG OUT OF RANGE"); return (0); } | |
f5971be7 BJ |
484 | if (sblock.fs_ncg * sblock.fs_cpg < sblock.fs_ncyl || |
485 | (sblock.fs_ncg - 1) * sblock.fs_cpg >= sblock.fs_ncyl) | |
486 | { badsb("NCYL DOES NOT JIVE WITH NCG*CPG"); return (0); } | |
1a724405 | 487 | if (sblock.fs_sbsize > SBSIZE) |
f5971be7 | 488 | { badsb("SIZE PREPOSTEROUSLY LARGE"); return (0); } |
1a724405 KM |
489 | /* |
490 | * Set all possible fields that could differ, then do check | |
491 | * of whole super block against an alternate super block. | |
492 | * When an alternate super-block is specified this check is skipped. | |
493 | */ | |
494 | if (bflag) | |
495 | goto sbok; | |
496 | if (getblk(&asblk, cgsblock(&sblock, sblock.fs_ncg - 1), | |
497 | sblock.fs_sbsize) == 0) | |
498 | return (0); | |
499 | altsblock.fs_link = sblock.fs_link; | |
500 | altsblock.fs_rlink = sblock.fs_rlink; | |
501 | altsblock.fs_time = sblock.fs_time; | |
502 | altsblock.fs_cstotal = sblock.fs_cstotal; | |
503 | altsblock.fs_cgrotor = sblock.fs_cgrotor; | |
504 | altsblock.fs_fmod = sblock.fs_fmod; | |
505 | altsblock.fs_clean = sblock.fs_clean; | |
506 | altsblock.fs_ronly = sblock.fs_ronly; | |
507 | altsblock.fs_flags = sblock.fs_flags; | |
508 | altsblock.fs_maxcontig = sblock.fs_maxcontig; | |
509 | altsblock.fs_minfree = sblock.fs_minfree; | |
510 | altsblock.fs_rotdelay = sblock.fs_rotdelay; | |
511 | altsblock.fs_maxbpg = sblock.fs_maxbpg; | |
512 | bcopy((char *)sblock.fs_csp, (char *)altsblock.fs_csp, | |
513 | sizeof sblock.fs_csp); | |
514 | bcopy((char *)sblock.fs_fsmnt, (char *)altsblock.fs_fsmnt, | |
515 | sizeof sblock.fs_fsmnt); | |
516 | if (bcmp((char *)&sblock, (char *)&altsblock, (int)sblock.fs_sbsize)) | |
517 | { badsb("TRASHED VALUES IN SUPER BLOCK"); return (0); } | |
518 | sbok: | |
f5971be7 BJ |
519 | fmax = sblock.fs_size; |
520 | imax = sblock.fs_ncg * sblock.fs_ipg; | |
521 | n_bad = cgsblock(&sblock, 0); /* boot block plus dedicated sblock */ | |
522 | /* | |
523 | * read in the summary info. | |
524 | */ | |
525 | for (i = 0, j = 0; i < sblock.fs_cssize; i += sblock.fs_bsize, j++) { | |
526 | size = sblock.fs_cssize - i < sblock.fs_bsize ? | |
527 | sblock.fs_cssize - i : sblock.fs_bsize; | |
1a724405 KM |
528 | sblock.fs_csp[j] = (struct csum *)calloc(1, (unsigned)size); |
529 | if (bread(&dfile, (char *)sblock.fs_csp[j], | |
f5971be7 | 530 | fsbtodb(&sblock, sblock.fs_csaddr + j * sblock.fs_frag), |
1a724405 KM |
531 | size) == 0) |
532 | return (0); | |
f5971be7 BJ |
533 | } |
534 | /* | |
535 | * allocate and initialize the necessary maps | |
536 | */ | |
537 | bmapsz = roundup(howmany(fmax, NBBY), sizeof(short)); | |
1a724405 | 538 | blockmap = calloc((unsigned)bmapsz, sizeof (char)); |
f5971be7 BJ |
539 | if (blockmap == NULL) { |
540 | printf("cannot alloc %d bytes for blockmap\n", bmapsz); | |
1a724405 | 541 | goto badsb; |
f5971be7 | 542 | } |
1a724405 | 543 | freemap = calloc((unsigned)bmapsz, sizeof (char)); |
f5971be7 BJ |
544 | if (freemap == NULL) { |
545 | printf("cannot alloc %d bytes for freemap\n", bmapsz); | |
1a724405 | 546 | goto badsb; |
f5971be7 | 547 | } |
1a724405 | 548 | statemap = calloc((unsigned)(imax + 1), sizeof(char)); |
f5971be7 BJ |
549 | if (statemap == NULL) { |
550 | printf("cannot alloc %d bytes for statemap\n", imax + 1); | |
1a724405 | 551 | goto badsb; |
f5971be7 | 552 | } |
1a724405 | 553 | lncntp = (short *)calloc((unsigned)(imax + 1), sizeof(short)); |
f5971be7 BJ |
554 | if (lncntp == NULL) { |
555 | printf("cannot alloc %d bytes for lncntp\n", | |
556 | (imax + 1) * sizeof(short)); | |
1a724405 | 557 | goto badsb; |
f5971be7 BJ |
558 | } |
559 | for (c = 0; c < sblock.fs_ncg; c++) { | |
560 | cgd = cgdmin(&sblock, c); | |
561 | if (c == 0) { | |
562 | d = cgbase(&sblock, c); | |
563 | cgd += howmany(sblock.fs_cssize, sblock.fs_fsize); | |
564 | } else | |
565 | d = cgsblock(&sblock, c); | |
566 | for (; d < cgd; d++) | |
567 | setbmap(d); | |
568 | } | |
569 | ||
f5971be7 BJ |
570 | return (1); |
571 | ||
572 | badsb: | |
573 | ckfini(); | |
574 | return (0); | |
1a724405 | 575 | # undef altsblock |
d2c95d76 BJ |
576 | } |
577 | ||
578 | pass1() | |
579 | { | |
580 | register int c, i, n, j; | |
581 | register DINODE *dp; | |
1a724405 KM |
582 | int ndb, partial; |
583 | struct inodesc idesc; | |
584 | ino_t inumber; | |
585 | ||
586 | bzero((char *)&idesc, sizeof(struct inodesc)); | |
587 | idesc.id_type = ADDR; | |
588 | idesc.id_func = pass1check; | |
589 | inumber = 0; | |
bf541624 | 590 | n_blks += howmany(sblock.fs_cssize, sblock.fs_fsize); |
6e884967 | 591 | for (c = 0; c < sblock.fs_ncg; c++) { |
6994bf5d | 592 | if (getblk(&cgblk, cgtod(&sblock, c), sblock.fs_cgsize) == 0) |
6e884967 | 593 | continue; |
f5971be7 | 594 | if (cgrp.cg_magic != CG_MAGIC) { |
1a724405 KM |
595 | pfatal("CG %d: BAD MAGIC NUMBER\n", c); |
596 | bzero((char *)&cgrp, (int)sblock.fs_cgsize); | |
f5971be7 | 597 | } |
6e884967 | 598 | n = 0; |
1a724405 KM |
599 | for (i = 0; i < sblock.fs_ipg; i++, inumber++) { |
600 | dp = ginode(inumber); | |
f3c028b7 KM |
601 | if (dp == NULL) |
602 | continue; | |
bf4c734c | 603 | n++; |
6e884967 KM |
604 | if (ALLOC) { |
605 | if (!isset(cgrp.cg_iused, i)) { | |
6994bf5d KM |
606 | if (debug) |
607 | printf("%d bad, not used\n", | |
1a724405 | 608 | inumber); |
6e884967 KM |
609 | inosumbad++; |
610 | } | |
bf4c734c | 611 | n--; |
1a724405 | 612 | lastino = inumber; |
af5ba2f8 KM |
613 | if (!preen && BADBLK && |
614 | reply("HOLD BAD BLOCK") == 1) { | |
615 | dp->di_size = sblock.fs_fsize; | |
616 | dp->di_mode = IFREG|0600; | |
617 | inodirty(); | |
618 | } else if (ftypeok(dp) == 0) | |
6bccc723 | 619 | goto unknown; |
67272100 KM |
620 | if (dp->di_size < 0) { |
621 | if (debug) | |
622 | printf("bad size %d:", | |
623 | dp->di_size); | |
6bccc723 | 624 | goto unknown; |
67272100 | 625 | } |
6bccc723 KM |
626 | ndb = howmany(dp->di_size, sblock.fs_bsize); |
627 | if (SPECIAL) | |
628 | ndb++; | |
629 | for (j = ndb; j < NDADDR; j++) | |
67272100 KM |
630 | if (dp->di_db[j] != 0) { |
631 | if (debug) | |
af5ba2f8 KM |
632 | printf("bad direct addr: %d\n", |
633 | dp->di_db[j]); | |
6bccc723 | 634 | goto unknown; |
67272100 | 635 | } |
6bccc723 KM |
636 | for (j = 0, ndb -= NDADDR; ndb > 0; j++) |
637 | ndb /= NINDIR(&sblock); | |
638 | for (; j < NIADDR; j++) | |
67272100 KM |
639 | if (dp->di_ib[j] != 0) { |
640 | if (debug) | |
af5ba2f8 KM |
641 | printf("bad indirect addr: %d\n", |
642 | dp->di_ib[j]); | |
6bccc723 | 643 | goto unknown; |
67272100 | 644 | } |
6e884967 | 645 | n_files++; |
1a724405 | 646 | lncntp[inumber] = dp->di_nlink; |
f5262822 | 647 | if (dp->di_nlink <= 0) { |
6e884967 | 648 | if (badlnp < &badlncnt[MAXLNCNT]) |
1a724405 | 649 | *badlnp++ = inumber; |
6e884967 KM |
650 | else { |
651 | pfatal("LINK COUNT TABLE OVERFLOW"); | |
652 | if (reply("CONTINUE") == 0) | |
653 | errexit(""); | |
654 | } | |
655 | } | |
1a724405 KM |
656 | statemap[inumber] = DIRCT ? DSTATE : FSTATE; |
657 | badblk = dupblk = 0; maxblk = 0; | |
658 | idesc.id_number = inumber; | |
659 | idesc.id_filesize = 0; | |
660 | (void)ckinode(dp, &idesc); | |
661 | idesc.id_filesize *= btodb(sblock.fs_fsize); | |
662 | if (dp->di_blocks != idesc.id_filesize) { | |
5e01ca34 | 663 | pwarn("INCORRECT BLOCK COUNT I=%u (%ld should be %ld)", |
1a724405 KM |
664 | inumber, dp->di_blocks, |
665 | idesc.id_filesize); | |
5e01ca34 KM |
666 | if (preen) |
667 | printf(" (CORRECTED)\n"); | |
668 | else if (reply("CORRECT") == 0) | |
669 | continue; | |
1a724405 | 670 | dp->di_blocks = idesc.id_filesize; |
5e01ca34 KM |
671 | inodirty(); |
672 | } | |
6bccc723 KM |
673 | continue; |
674 | unknown: | |
1a724405 | 675 | pfatal("UNKNOWN FILE TYPE I=%u", inumber); |
c10dd4b2 | 676 | if (reply("CLEAR") == 1) { |
6bccc723 KM |
677 | zapino(dp); |
678 | inodirty(); | |
679 | inosumbad++; | |
680 | } | |
6e884967 | 681 | } else { |
6e884967 | 682 | if (isset(cgrp.cg_iused, i)) { |
6994bf5d KM |
683 | if (debug) |
684 | printf("%d bad, marked used\n", | |
1a724405 | 685 | inumber); |
6e884967 | 686 | inosumbad++; |
f3c028b7 | 687 | n--; |
6e884967 | 688 | } |
6bccc723 KM |
689 | partial = 0; |
690 | for (j = 0; j < NDADDR; j++) | |
691 | if (dp->di_db[j] != 0) | |
692 | partial++; | |
693 | for (j = 0; j < NIADDR; j++) | |
694 | if (dp->di_ib[j] != 0) | |
695 | partial++; | |
696 | if (partial || dp->di_mode != 0 || | |
697 | dp->di_size != 0) { | |
1a724405 KM |
698 | pfatal("PARTIALLY ALLOCATED INODE I=%u", |
699 | inumber); | |
6e884967 KM |
700 | if (reply("CLEAR") == 1) { |
701 | zapino(dp); | |
702 | inodirty(); | |
703 | inosumbad++; | |
704 | } | |
705 | } | |
706 | } | |
707 | } | |
0947395d | 708 | if (n != cgrp.cg_cs.cs_nifree) { |
6994bf5d | 709 | if (debug) |
bf4c734c | 710 | printf("cg[%d].cg_cs.cs_nifree is %d; calc %d\n", |
6994bf5d | 711 | c, cgrp.cg_cs.cs_nifree, n); |
6e884967 KM |
712 | inosumbad++; |
713 | } | |
184d432f KM |
714 | if (cgrp.cg_cs.cs_nbfree != sblock.fs_cs(&sblock, c).cs_nbfree |
715 | || cgrp.cg_cs.cs_nffree != sblock.fs_cs(&sblock, c).cs_nffree | |
716 | || cgrp.cg_cs.cs_nifree != sblock.fs_cs(&sblock, c).cs_nifree | |
717 | || cgrp.cg_cs.cs_ndir != sblock.fs_cs(&sblock, c).cs_ndir) | |
718 | sbsumbad++; | |
6e884967 | 719 | } |
d2c95d76 BJ |
720 | } |
721 | ||
1a724405 KM |
722 | pass1check(idesc) |
723 | register struct inodesc *idesc; | |
d2c95d76 BJ |
724 | { |
725 | register daddr_t *dlp; | |
726 | int res = KEEPON; | |
1a724405 KM |
727 | int anyout, nfrags; |
728 | daddr_t blkno = idesc->id_blkno; | |
d2c95d76 | 729 | |
1a724405 KM |
730 | anyout = outrange(blkno, idesc->id_numfrags); |
731 | for (nfrags = idesc->id_numfrags; nfrags > 0; blkno++, nfrags--) { | |
732 | if (anyout && outrange(blkno, 1)) { | |
733 | blkerr(idesc->id_number, "BAD", blkno); | |
d2c95d76 | 734 | if (++badblk >= MAXBAD) { |
1a724405 KM |
735 | pwarn("EXCESSIVE BAD BLKS I=%u", |
736 | idesc->id_number); | |
d2c95d76 BJ |
737 | if (preen) |
738 | printf(" (SKIPPING)\n"); | |
739 | else if (reply("CONTINUE") == 0) | |
740 | errexit(""); | |
741 | return (STOP); | |
742 | } | |
743 | res = SKIP; | |
1a724405 KM |
744 | } else if (getbmap(blkno)) { |
745 | blkerr(idesc->id_number, "DUP", blkno); | |
d2c95d76 | 746 | if (++dupblk >= MAXDUP) { |
1a724405 KM |
747 | pwarn("EXCESSIVE DUP BLKS I=%u", |
748 | idesc->id_number); | |
d2c95d76 BJ |
749 | if (preen) |
750 | printf(" (SKIPPING)\n"); | |
751 | else if (reply("CONTINUE") == 0) | |
752 | errexit(""); | |
753 | return (STOP); | |
754 | } | |
755 | if (enddup >= &duplist[DUPTBLSIZE]) { | |
756 | pfatal("DUP TABLE OVERFLOW."); | |
757 | if (reply("CONTINUE") == 0) | |
758 | errexit(""); | |
759 | return (STOP); | |
760 | } | |
761 | for (dlp = duplist; dlp < muldup; dlp++) | |
1a724405 KM |
762 | if (*dlp == blkno) { |
763 | *enddup++ = blkno; | |
d2c95d76 BJ |
764 | break; |
765 | } | |
766 | if (dlp >= muldup) { | |
767 | *enddup++ = *muldup; | |
1a724405 | 768 | *muldup++ = blkno; |
f3c028b7 | 769 | } |
d2c95d76 BJ |
770 | } else { |
771 | n_blks++; | |
1a724405 | 772 | setbmap(blkno); |
d2c95d76 | 773 | } |
1a724405 | 774 | idesc->id_filesize++; |
d2c95d76 BJ |
775 | } |
776 | return (res); | |
777 | } | |
778 | ||
779 | pass1b() | |
780 | { | |
781 | register int c, i; | |
782 | register DINODE *dp; | |
1a724405 KM |
783 | struct inodesc idesc; |
784 | ino_t inumber; | |
d2c95d76 | 785 | |
1a724405 KM |
786 | bzero((char *)&idesc, sizeof(struct inodesc)); |
787 | idesc.id_type = ADDR; | |
788 | idesc.id_func = pass1bcheck; | |
789 | inumber = 0; | |
d2c95d76 | 790 | for (c = 0; c < sblock.fs_ncg; c++) { |
1a724405 KM |
791 | for (i = 0; i < sblock.fs_ipg; i++, inumber++) { |
792 | dp = ginode(inumber); | |
d2c95d76 BJ |
793 | if (dp == NULL) |
794 | continue; | |
1a724405 KM |
795 | idesc.id_number = inumber; |
796 | if (statemap[inumber] != USTATE && | |
797 | (ckinode(dp, &idesc) & STOP)) | |
d2c95d76 | 798 | goto out1b; |
6e884967 KM |
799 | } |
800 | } | |
801 | out1b: | |
f3c028b7 | 802 | flush(&dfile, &inoblk); |
d2c95d76 BJ |
803 | } |
804 | ||
1a724405 KM |
805 | pass1bcheck(idesc) |
806 | register struct inodesc *idesc; | |
d2c95d76 BJ |
807 | { |
808 | register daddr_t *dlp; | |
1a724405 KM |
809 | int nfrags, res = KEEPON; |
810 | daddr_t blkno = idesc->id_blkno; | |
d2c95d76 | 811 | |
1a724405 KM |
812 | for (nfrags = idesc->id_numfrags; nfrags > 0; blkno++, nfrags--) { |
813 | if (outrange(blkno, 1)) | |
d2c95d76 BJ |
814 | res = SKIP; |
815 | for (dlp = duplist; dlp < muldup; dlp++) | |
1a724405 KM |
816 | if (*dlp == blkno) { |
817 | blkerr(idesc->id_number, "DUP", blkno); | |
d2c95d76 | 818 | *dlp = *--muldup; |
1a724405 | 819 | *muldup = blkno; |
d2c95d76 BJ |
820 | if (muldup == duplist) |
821 | return (STOP); | |
822 | } | |
823 | } | |
824 | return (res); | |
825 | } | |
826 | ||
827 | pass2() | |
828 | { | |
829 | register DINODE *dp; | |
1a724405 | 830 | struct inodesc rootdesc; |
d2c95d76 | 831 | |
1a724405 KM |
832 | bzero((char *)&rootdesc, sizeof(struct inodesc)); |
833 | rootdesc.id_type = ADDR; | |
834 | rootdesc.id_func = pass2check; | |
835 | rootdesc.id_number = ROOTINO; | |
836 | pathp = pathname; | |
837 | switch (statemap[ROOTINO]) { | |
6e884967 KM |
838 | |
839 | case USTATE: | |
840 | errexit("ROOT INODE UNALLOCATED. TERMINATING.\n"); | |
841 | ||
842 | case FSTATE: | |
843 | pfatal("ROOT INODE NOT DIRECTORY"); | |
1a724405 | 844 | if (reply("FIX") == 0 || (dp = ginode(ROOTINO)) == NULL) |
6e884967 KM |
845 | errexit(""); |
846 | dp->di_mode &= ~IFMT; | |
847 | dp->di_mode |= IFDIR; | |
848 | inodirty(); | |
849 | inosumbad++; | |
1a724405 | 850 | statemap[ROOTINO] = DSTATE; |
6e884967 KM |
851 | /* fall into ... */ |
852 | ||
853 | case DSTATE: | |
1a724405 | 854 | descend(&rootdesc, ROOTINO); |
6e884967 KM |
855 | break; |
856 | ||
857 | case CLEAR: | |
858 | pfatal("DUPS/BAD IN ROOT INODE"); | |
859 | printf("\n"); | |
860 | if (reply("CONTINUE") == 0) | |
861 | errexit(""); | |
1a724405 KM |
862 | statemap[ROOTINO] = DSTATE; |
863 | descend(&rootdesc, ROOTINO); | |
6e884967 | 864 | } |
d2c95d76 BJ |
865 | } |
866 | ||
1a724405 KM |
867 | pass2check(idesc) |
868 | struct inodesc *idesc; | |
d2c95d76 | 869 | { |
1a724405 KM |
870 | register DIRECT *dirp = idesc->id_dirp; |
871 | char *curpathloc; | |
872 | int n, entrysize, ret = 0; | |
d2c95d76 | 873 | DINODE *dp; |
1a724405 | 874 | DIRECT proto; |
d2c95d76 | 875 | |
1a724405 KM |
876 | /* |
877 | * check for "." | |
878 | */ | |
879 | if (idesc->id_entryno != 0) | |
880 | goto chk1; | |
881 | if (dirp->d_ino != 0 && dirp->d_namlen == 1 && dirp->d_name[0] == '.') { | |
882 | if (dirp->d_ino != idesc->id_number) { | |
883 | direrr(idesc->id_number, "BAD INODE NUMBER FOR '.'"); | |
884 | dirp->d_ino = idesc->id_number; | |
885 | ret |= dofix(idesc); | |
886 | } | |
887 | goto chk1; | |
888 | } | |
889 | direrr(idesc->id_number, "MISSING '.'"); | |
890 | proto.d_ino = idesc->id_number; | |
891 | proto.d_namlen = 1; | |
892 | (void)strcpy(proto.d_name, "."); | |
893 | entrysize = DIRSIZ(&proto); | |
894 | if (dirp->d_ino != 0) { | |
895 | pfatal("CANNOT FIX, FIRST ENTRY IN DIRECTORY CONTAINS %s\n", | |
896 | dirp->d_name); | |
897 | } else if (dirp->d_reclen < entrysize) { | |
898 | pfatal("CANNOT FIX, INSUFFICIENT SPACE TO ADD '.'\n"); | |
899 | } else if (dirp->d_reclen < 2 * entrysize) { | |
900 | proto.d_reclen = dirp->d_reclen; | |
901 | bcopy((char *)&proto, (char *)dirp, entrysize); | |
902 | ret |= dofix(idesc); | |
903 | } else { | |
904 | n = dirp->d_reclen - entrysize; | |
905 | proto.d_reclen = entrysize; | |
906 | bcopy((char *)&proto, (char *)dirp, entrysize); | |
907 | idesc->id_entryno++; | |
908 | lncntp[dirp->d_ino]--; | |
909 | dirp = (DIRECT *)((char *)(dirp) + entrysize); | |
910 | bzero((char *)dirp, n); | |
911 | dirp->d_reclen = n; | |
912 | ret |= dofix(idesc); | |
913 | } | |
914 | chk1: | |
915 | if (idesc->id_entryno > 1) | |
916 | goto chk2; | |
917 | proto.d_ino = idesc->id_parent; | |
918 | proto.d_namlen = 2; | |
919 | (void)strcpy(proto.d_name, ".."); | |
920 | entrysize = DIRSIZ(&proto); | |
921 | if (idesc->id_entryno == 0) { | |
922 | n = DIRSIZ(dirp); | |
923 | if (dirp->d_reclen < n + entrysize) | |
924 | goto chk2; | |
925 | proto.d_reclen = dirp->d_reclen - n; | |
926 | dirp->d_reclen = n; | |
927 | idesc->id_entryno++; | |
928 | lncntp[dirp->d_ino]--; | |
929 | dirp = (DIRECT *)((char *)(dirp) + n); | |
930 | bzero((char *)dirp, n); | |
931 | dirp->d_reclen = n; | |
932 | } | |
933 | if (dirp->d_ino != 0 && dirp->d_namlen == 2 && | |
934 | strcmp(dirp->d_name, "..") == 0) { | |
935 | if (dirp->d_ino != idesc->id_parent) { | |
936 | direrr(idesc->id_number, "BAD INODE NUMBER FOR '..'"); | |
937 | dirp->d_ino = idesc->id_parent; | |
938 | ret |= dofix(idesc); | |
939 | } | |
940 | goto chk2; | |
941 | } | |
942 | direrr(idesc->id_number, "MISSING '..'"); | |
943 | if (dirp->d_ino != 0) { | |
944 | pfatal("CANNOT FIX, SECOND ENTRY IN DIRECTORY CONTAINS %s\n", | |
945 | dirp->d_name); | |
946 | } else if (dirp->d_reclen < entrysize) { | |
947 | pfatal("CANNOT FIX, INSUFFICIENT SPACE TO ADD '..'\n"); | |
948 | } else { | |
949 | proto.d_reclen = dirp->d_reclen; | |
950 | bcopy((char *)&proto, (char *)dirp, entrysize); | |
951 | ret |= dofix(idesc); | |
952 | } | |
953 | chk2: | |
954 | if (dirp->d_ino == 0) | |
955 | return (ret|KEEPON); | |
956 | if (idesc->id_entryno >= 2 && | |
957 | dirp->d_namlen <= 2 && | |
958 | dirp->d_name[0] == '.') { | |
959 | if (dirp->d_namlen == 1) { | |
960 | direrr(idesc->id_number, "EXTRA '.' ENTRY"); | |
961 | dirp->d_ino = 0; | |
962 | return (KEEPON | dofix(idesc)); | |
963 | } | |
964 | if (dirp->d_name[1] == '.') { | |
965 | direrr(idesc->id_number, "EXTRA '..' ENTRY"); | |
966 | dirp->d_ino = 0; | |
967 | return (KEEPON | dofix(idesc)); | |
968 | } | |
969 | } | |
970 | curpathloc = pathp; | |
971 | *pathp++ = '/'; | |
aac37e2e KM |
972 | if (pathp + dirp->d_namlen >= endpathname) { |
973 | *pathp = '\0'; | |
974 | errexit("NAME TOO LONG %s%s\n", pathname, dirp->d_name); | |
975 | } | |
1a724405 KM |
976 | bcopy(dirp->d_name, pathp, dirp->d_namlen + 1); |
977 | pathp += dirp->d_namlen; | |
978 | idesc->id_entryno++; | |
d2c95d76 | 979 | n = 0; |
1a724405 KM |
980 | if (dirp->d_ino > imax || dirp->d_ino <= 0) { |
981 | direrr(dirp->d_ino, "I OUT OF RANGE"); | |
982 | n = reply("REMOVE"); | |
983 | } else { | |
d2c95d76 | 984 | again: |
1a724405 | 985 | switch (statemap[dirp->d_ino]) { |
d2c95d76 | 986 | case USTATE: |
1a724405 KM |
987 | direrr(dirp->d_ino, "UNALLOCATED"); |
988 | n = reply("REMOVE"); | |
d2c95d76 BJ |
989 | break; |
990 | ||
991 | case CLEAR: | |
1a724405 KM |
992 | direrr(dirp->d_ino, "DUP/BAD"); |
993 | if ((n = reply("REMOVE")) == 1) | |
d2c95d76 | 994 | break; |
1a724405 | 995 | if ((dp = ginode(dirp->d_ino)) == NULL) |
d2c95d76 | 996 | break; |
1a724405 | 997 | statemap[dirp->d_ino] = DIRCT ? DSTATE : FSTATE; |
d2c95d76 BJ |
998 | goto again; |
999 | ||
1000 | case FSTATE: | |
1a724405 | 1001 | lncntp[dirp->d_ino]--; |
d2c95d76 BJ |
1002 | break; |
1003 | ||
1004 | case DSTATE: | |
1a724405 KM |
1005 | descend(idesc, dirp->d_ino); |
1006 | if (statemap[dirp->d_ino] != CLEAR) { | |
1007 | lncntp[dirp->d_ino]--; | |
1008 | } else { | |
1009 | dirp->d_ino = 0; | |
1010 | ret |= ALTERED; | |
1011 | } | |
d2c95d76 BJ |
1012 | break; |
1013 | } | |
1014 | } | |
1a724405 KM |
1015 | pathp = curpathloc; |
1016 | *pathp = '\0'; | |
d2c95d76 | 1017 | if (n == 0) |
1a724405 | 1018 | return (ret|KEEPON); |
d2c95d76 | 1019 | dirp->d_ino = 0; |
1a724405 | 1020 | return (ret|KEEPON|ALTERED); |
d2c95d76 BJ |
1021 | } |
1022 | ||
1023 | pass3() | |
1024 | { | |
d2c95d76 | 1025 | register DINODE *dp; |
1a724405 KM |
1026 | struct inodesc idesc; |
1027 | ino_t inumber, orphan; | |
1028 | int len; | |
1029 | ||
1030 | bzero((char *)&idesc, sizeof(struct inodesc)); | |
1031 | idesc.id_type = DATA; | |
1032 | for (inumber = ROOTINO; inumber <= lastino; inumber++) { | |
1033 | if (statemap[inumber] == DSTATE) { | |
bec6e7fb KM |
1034 | pathp = pathname; |
1035 | *pathp++ = '?'; | |
1036 | *pathp = '\0'; | |
1a724405 | 1037 | idesc.id_func = findino; |
6e884967 | 1038 | srchname = ".."; |
1a724405 | 1039 | idesc.id_parent = inumber; |
6e884967 | 1040 | do { |
1a724405 KM |
1041 | orphan = idesc.id_parent; |
1042 | if ((dp = ginode(orphan)) == NULL) | |
6e884967 | 1043 | break; |
1a724405 KM |
1044 | idesc.id_parent = 0; |
1045 | idesc.id_filesize = dp->di_size; | |
1046 | idesc.id_number = orphan; | |
1047 | (void)ckinode(dp, &idesc); | |
1048 | if (idesc.id_parent == 0) | |
6e884967 | 1049 | break; |
1a724405 KM |
1050 | } while (statemap[idesc.id_parent] == DSTATE); |
1051 | if (linkup(orphan, idesc.id_parent) == 1) { | |
1a724405 KM |
1052 | idesc.id_func = pass2check; |
1053 | idesc.id_number = lfdir; | |
1054 | descend(&idesc, orphan); | |
6e884967 | 1055 | } |
6e884967 KM |
1056 | } |
1057 | } | |
d2c95d76 | 1058 | } |
6e884967 | 1059 | |
d2c95d76 BJ |
1060 | pass4() |
1061 | { | |
1a724405 KM |
1062 | register ino_t inumber, *blp; |
1063 | int n; | |
1064 | struct inodesc idesc; | |
d2c95d76 | 1065 | |
1a724405 KM |
1066 | bzero((char *)&idesc, sizeof(struct inodesc)); |
1067 | idesc.id_type = ADDR; | |
1068 | idesc.id_func = pass4check; | |
1069 | for (inumber = ROOTINO; inumber <= lastino; inumber++) { | |
1070 | idesc.id_number = inumber; | |
1071 | switch (statemap[inumber]) { | |
d2c95d76 BJ |
1072 | |
1073 | case FSTATE: | |
1a724405 | 1074 | n = lncntp[inumber]; |
f5262822 | 1075 | if (n) |
1a724405 | 1076 | adjust(&idesc, (short)n); |
6e884967 KM |
1077 | else { |
1078 | for (blp = badlncnt;blp < badlnp; blp++) | |
1a724405 KM |
1079 | if (*blp == inumber) { |
1080 | clri(&idesc, "UNREF", 1); | |
6e884967 KM |
1081 | break; |
1082 | } | |
1083 | } | |
1084 | break; | |
1085 | ||
1086 | case DSTATE: | |
1a724405 | 1087 | clri(&idesc, "UNREF", 1); |
6e884967 KM |
1088 | break; |
1089 | ||
1090 | case CLEAR: | |
1a724405 | 1091 | clri(&idesc, "BAD/DUP", 1); |
6e884967 KM |
1092 | break; |
1093 | } | |
1094 | } | |
8e5c1c7c | 1095 | if (imax - ROOTINO - n_files != sblock.fs_cstotal.cs_nifree) { |
6e884967 KM |
1096 | pwarn("FREE INODE COUNT WRONG IN SUPERBLK"); |
1097 | if (preen) | |
1098 | printf(" (FIXED)\n"); | |
1099 | if (preen || reply("FIX") == 1) { | |
bf4c734c | 1100 | sblock.fs_cstotal.cs_nifree = imax - ROOTINO - n_files; |
6e884967 KM |
1101 | sbdirty(); |
1102 | } | |
1103 | } | |
1104 | flush(&dfile, &fileblk); | |
d2c95d76 | 1105 | } |
6e884967 | 1106 | |
1a724405 KM |
1107 | pass4check(idesc) |
1108 | register struct inodesc *idesc; | |
d2c95d76 BJ |
1109 | { |
1110 | register daddr_t *dlp; | |
1a724405 KM |
1111 | int nfrags, res = KEEPON; |
1112 | daddr_t blkno = idesc->id_blkno; | |
d2c95d76 | 1113 | |
1a724405 KM |
1114 | for (nfrags = idesc->id_numfrags; nfrags > 0; blkno++, nfrags--) { |
1115 | if (outrange(blkno, 1)) | |
d2c95d76 | 1116 | res = SKIP; |
1a724405 | 1117 | else if (getbmap(blkno)) { |
d2c95d76 | 1118 | for (dlp = duplist; dlp < enddup; dlp++) |
1a724405 | 1119 | if (*dlp == blkno) { |
d2c95d76 BJ |
1120 | *dlp = *--enddup; |
1121 | return (KEEPON); | |
1122 | } | |
1a724405 | 1123 | clrbmap(blkno); |
d2c95d76 BJ |
1124 | n_blks--; |
1125 | } | |
1126 | } | |
1127 | return (res); | |
1128 | } | |
1129 | ||
1130 | pass5() | |
1131 | { | |
1132 | register int c, n, i, b, d; | |
f5971be7 BJ |
1133 | short bo[MAXCPG][NRPOS]; |
1134 | long botot[MAXCPG]; | |
1135 | long frsum[MAXFRAG]; | |
1136 | int blk; | |
1137 | daddr_t cbase; | |
1138 | int blockbits = (1<<sblock.fs_frag)-1; | |
d2c95d76 | 1139 | |
0db712b3 | 1140 | bcopy(blockmap, freemap, (unsigned)bmapsz); |
6e884967 | 1141 | dupblk = 0; |
6994bf5d | 1142 | n_index = sblock.fs_ncg * (cgdmin(&sblock, 0) - cgtod(&sblock, 0)); |
6e884967 | 1143 | for (c = 0; c < sblock.fs_ncg; c++) { |
f5971be7 | 1144 | cbase = cgbase(&sblock, c); |
1a724405 KM |
1145 | bzero((char *)botot, sizeof (botot)); |
1146 | bzero((char *)bo, sizeof (bo)); | |
1147 | bzero((char *)frsum, sizeof (frsum)); | |
f3c028b7 | 1148 | /* |
bf541624 | 1149 | * need to account for the super blocks |
f3c028b7 KM |
1150 | * which appear (inaccurately) bad |
1151 | */ | |
bf541624 | 1152 | n_bad += cgtod(&sblock, c) - cgsblock(&sblock, c); |
6994bf5d | 1153 | if (getblk(&cgblk, cgtod(&sblock, c), sblock.fs_cgsize) == 0) |
6e884967 | 1154 | continue; |
f5971be7 | 1155 | if (cgrp.cg_magic != CG_MAGIC) { |
1a724405 KM |
1156 | pfatal("CG %d: BAD MAGIC NUMBER\n", c); |
1157 | bzero((char *)&cgrp, (int)sblock.fs_cgsize); | |
f5971be7 | 1158 | } |
b6407c9d | 1159 | for (b = 0; b < sblock.fs_fpg; b += sblock.fs_frag) { |
f5971be7 BJ |
1160 | blk = blkmap(&sblock, cgrp.cg_free, b); |
1161 | if (blk == 0) | |
1162 | continue; | |
1163 | if (blk == blockbits) { | |
d2c95d76 | 1164 | if (pass5check(cbase+b, sblock.fs_frag) == STOP) |
6e884967 KM |
1165 | goto out5; |
1166 | /* this is clumsy ... */ | |
d2c95d76 BJ |
1167 | n_ffree -= sblock.fs_frag; |
1168 | n_bfree++; | |
1169 | botot[cbtocylno(&sblock, b)]++; | |
1170 | bo[cbtocylno(&sblock, b)] | |
1171 | [cbtorpos(&sblock, b)]++; | |
f5971be7 | 1172 | continue; |
d2c95d76 | 1173 | } |
f5971be7 BJ |
1174 | for (d = 0; d < sblock.fs_frag; d++) |
1175 | if ((blk & (1<<d)) && | |
1a724405 | 1176 | pass5check(cbase + b + d, (long)1) == STOP) |
f5971be7 BJ |
1177 | goto out5; |
1178 | fragacct(&sblock, blk, frsum, 1); | |
6e884967 | 1179 | } |
1a724405 | 1180 | if (bcmp((char *)cgrp.cg_frsum, (char *)frsum, sizeof(frsum))) { |
f5971be7 BJ |
1181 | if (debug) |
1182 | for (i = 0; i < sblock.fs_frag; i++) | |
1183 | if (cgrp.cg_frsum[i] != frsum[i]) | |
1184 | printf("cg[%d].cg_frsum[%d] have %d calc %d\n", | |
1185 | c, i, cgrp.cg_frsum[i], frsum[i]); | |
1186 | frsumbad++; | |
d2c95d76 | 1187 | } |
1a724405 | 1188 | if (bcmp((char *)cgrp.cg_btot, (char *)botot, sizeof (botot))) { |
f5971be7 BJ |
1189 | if (debug) |
1190 | for (n = 0; n < sblock.fs_cpg; n++) | |
1191 | if (botot[n] != cgrp.cg_btot[n]) | |
1192 | printf("cg[%d].cg_btot[%d] have %d calc %d\n", | |
1193 | c, n, cgrp.cg_btot[n], botot[n]); | |
1194 | offsumbad++; | |
1195 | } | |
1a724405 | 1196 | if (bcmp((char *)cgrp.cg_b, (char *)bo, sizeof (bo))) { |
f5971be7 | 1197 | if (debug) |
d2c95d76 | 1198 | for (i = 0; i < NRPOS; i++) |
f5971be7 BJ |
1199 | if (bo[n][i] != cgrp.cg_b[n][i]) |
1200 | printf("cg[%d].cg_b[%d][%d] have %d calc %d\n", | |
1201 | c, n, i, cgrp.cg_b[n][i], bo[n][i]); | |
1202 | offsumbad++; | |
6e884967 KM |
1203 | } |
1204 | } | |
d2c95d76 BJ |
1205 | out5: |
1206 | if (dupblk) | |
1207 | pwarn("%d DUP BLKS IN BIT MAPS\n", dupblk); | |
1208 | if (fixcg == 0) { | |
1209 | if ((b = n_blks+n_ffree+sblock.fs_frag*n_bfree+n_index+n_bad) != fmax) { | |
1210 | pwarn("%ld BLK(S) MISSING\n", fmax - b); | |
1211 | fixcg = 1; | |
1212 | } else if (inosumbad + offsumbad + frsumbad + sbsumbad) { | |
1213 | pwarn("SUMMARY INFORMATION %s%s%s%sBAD\n", | |
1214 | inosumbad ? "(INODE FREE) " : "", | |
1215 | offsumbad ? "(BLOCK OFFSETS) " : "", | |
1216 | frsumbad ? "(FRAG SUMMARIES) " : "", | |
1217 | sbsumbad ? "(SUPER BLOCK SUMMARIES) " : ""); | |
1218 | fixcg = 1; | |
1219 | } else if (n_ffree != sblock.fs_cstotal.cs_nffree || | |
1220 | n_bfree != sblock.fs_cstotal.cs_nbfree) { | |
1221 | pwarn("FREE BLK COUNT(S) WRONG IN SUPERBLK"); | |
1222 | if (preen) | |
1223 | printf(" (FIXED)\n"); | |
1224 | if (preen || reply("FIX") == 1) { | |
1225 | sblock.fs_cstotal.cs_nffree = n_ffree; | |
1226 | sblock.fs_cstotal.cs_nbfree = n_bfree; | |
1227 | sbdirty(); | |
1228 | } | |
1229 | } | |
1230 | } | |
1231 | if (fixcg) { | |
1232 | pwarn("BAD CYLINDER GROUPS"); | |
1233 | if (preen) | |
1234 | printf(" (SALVAGED)\n"); | |
1235 | else if (reply("SALVAGE") == 0) | |
1236 | fixcg = 0; | |
1237 | } | |
6e884967 KM |
1238 | } |
1239 | ||
d2c95d76 | 1240 | pass5check(blk, size) |
6e884967 | 1241 | daddr_t blk; |
1a724405 | 1242 | long size; |
6e884967 | 1243 | { |
6e884967 | 1244 | |
1a724405 | 1245 | if (outrange(blk, (int)size)) { |
f5971be7 BJ |
1246 | fixcg = 1; |
1247 | if (preen) | |
1248 | pfatal("BAD BLOCKS IN BIT MAPS."); | |
1249 | if (++badblk >= MAXBAD) { | |
1250 | printf("EXCESSIVE BAD BLKS IN BIT MAPS."); | |
1251 | if (reply("CONTINUE") == 0) | |
1252 | errexit(""); | |
1253 | return (STOP); | |
1254 | } | |
1255 | } | |
1256 | for (; size > 0; blk++, size--) | |
1257 | if (getfmap(blk)) { | |
6e884967 | 1258 | fixcg = 1; |
7ebb5f4e | 1259 | ++dupblk; |
6e884967 KM |
1260 | } else { |
1261 | n_ffree++; | |
1262 | setfmap(blk); | |
1263 | } | |
f5971be7 | 1264 | return (KEEPON); |
6e884967 KM |
1265 | } |
1266 | ||
1a724405 | 1267 | ckinode(dp, idesc) |
d2c95d76 | 1268 | DINODE *dp; |
1a724405 | 1269 | register struct inodesc *idesc; |
d2c95d76 BJ |
1270 | { |
1271 | register daddr_t *ap; | |
1a724405 | 1272 | int ret, n, ndb, offset; |
d2c95d76 BJ |
1273 | DINODE dino; |
1274 | ||
1275 | if (SPECIAL) | |
1276 | return (KEEPON); | |
1277 | dino = *dp; | |
1a724405 KM |
1278 | idesc->id_fix = DONTKNOW; |
1279 | idesc->id_entryno = 0; | |
d2c95d76 BJ |
1280 | ndb = howmany(dino.di_size, sblock.fs_bsize); |
1281 | for (ap = &dino.di_db[0]; ap < &dino.di_db[NDADDR]; ap++) { | |
1282 | if (--ndb == 0 && (offset = blkoff(&sblock, dino.di_size)) != 0) | |
1a724405 KM |
1283 | idesc->id_numfrags = |
1284 | numfrags(&sblock, fragroundup(&sblock, offset)); | |
d2c95d76 | 1285 | else |
1a724405 KM |
1286 | idesc->id_numfrags = sblock.fs_frag; |
1287 | if (*ap == 0) | |
1288 | continue; | |
1289 | idesc->id_blkno = *ap; | |
1290 | if (idesc->id_type == ADDR) | |
1291 | ret = (*idesc->id_func)(idesc); | |
1292 | else | |
1293 | ret = dirscan(idesc); | |
1294 | if (ret & STOP) | |
d2c95d76 BJ |
1295 | return (ret); |
1296 | } | |
1a724405 | 1297 | idesc->id_numfrags = sblock.fs_frag; |
d2c95d76 | 1298 | for (ap = &dino.di_ib[0], n = 1; n <= 2; ap++, n++) { |
d2c95d76 | 1299 | if (*ap) { |
1a724405 KM |
1300 | idesc->id_blkno = *ap; |
1301 | ret = iblock(idesc, n, | |
1302 | dino.di_size - sblock.fs_bsize * NDADDR); | |
d2c95d76 BJ |
1303 | if (ret & STOP) |
1304 | return (ret); | |
1305 | } | |
1306 | } | |
1307 | return (KEEPON); | |
1308 | } | |
1309 | ||
1a724405 KM |
1310 | iblock(idesc, ilevel, isize) |
1311 | struct inodesc *idesc; | |
d2c95d76 | 1312 | register ilevel; |
1a724405 | 1313 | long isize; |
d2c95d76 BJ |
1314 | { |
1315 | register daddr_t *ap; | |
1316 | register daddr_t *aplim; | |
1a724405 | 1317 | int i, n, (*func)(), nif; |
d2c95d76 BJ |
1318 | BUFAREA ib; |
1319 | ||
1a724405 KM |
1320 | if (idesc->id_type == ADDR) { |
1321 | func = idesc->id_func; | |
1322 | if (((n = (*func)(idesc)) & KEEPON) == 0) | |
d2c95d76 BJ |
1323 | return (n); |
1324 | } else | |
1325 | func = dirscan; | |
1a724405 | 1326 | if (outrange(idesc->id_blkno, idesc->id_numfrags)) /* protect thyself */ |
d2c95d76 BJ |
1327 | return (SKIP); |
1328 | initbarea(&ib); | |
1a724405 | 1329 | if (getblk(&ib, idesc->id_blkno, sblock.fs_bsize) == NULL) |
d2c95d76 BJ |
1330 | return (SKIP); |
1331 | ilevel--; | |
1332 | if (ilevel == 0) { | |
1333 | nif = lblkno(&sblock, isize) + 1; | |
1334 | } else /* ilevel == 1 */ { | |
1335 | nif = isize / (sblock.fs_bsize * NINDIR(&sblock)) + 1; | |
1336 | } | |
1337 | if (nif > NINDIR(&sblock)) | |
1338 | nif = NINDIR(&sblock); | |
1339 | aplim = &ib.b_un.b_indir[nif]; | |
1340 | for (ap = ib.b_un.b_indir, i = 1; ap < aplim; ap++, i++) | |
1341 | if (*ap) { | |
1a724405 | 1342 | idesc->id_blkno = *ap; |
d2c95d76 | 1343 | if (ilevel > 0) |
1a724405 | 1344 | n = iblock(idesc, ilevel, |
d2c95d76 BJ |
1345 | isize - i*NINDIR(&sblock)*sblock.fs_bsize); |
1346 | else | |
1a724405 | 1347 | n = (*func)(idesc); |
d2c95d76 BJ |
1348 | if (n & STOP) |
1349 | return (n); | |
1350 | } | |
1351 | return (KEEPON); | |
1352 | } | |
1353 | ||
f5971be7 | 1354 | outrange(blk, cnt) |
6e884967 | 1355 | daddr_t blk; |
f5971be7 | 1356 | int cnt; |
6e884967 KM |
1357 | { |
1358 | register int c; | |
1359 | ||
f5971be7 | 1360 | if ((unsigned)(blk+cnt) > fmax) |
6e884967 | 1361 | return (1); |
f5971be7 BJ |
1362 | c = dtog(&sblock, blk); |
1363 | if (blk < cgdmin(&sblock, c)) { | |
1364 | if ((blk+cnt) > cgsblock(&sblock, c)) { | |
1365 | if (debug) { | |
1366 | printf("blk %d < cgdmin %d;", | |
1367 | blk, cgdmin(&sblock, c)); | |
1368 | printf(" blk+cnt %d > cgsbase %d\n", | |
1369 | blk+cnt, cgsblock(&sblock, c)); | |
1370 | } | |
1371 | return (1); | |
1372 | } | |
1373 | } else { | |
1374 | if ((blk+cnt) > cgbase(&sblock, c+1)) { | |
1375 | if (debug) { | |
1376 | printf("blk %d >= cgdmin %d;", | |
1377 | blk, cgdmin(&sblock, c)); | |
1378 | printf(" blk+cnt %d > sblock.fs_fpg %d\n", | |
1379 | blk+cnt, sblock.fs_fpg); | |
1380 | } | |
1381 | return (1); | |
1382 | } | |
07670f7d | 1383 | } |
6e884967 KM |
1384 | return (0); |
1385 | } | |
1386 | ||
1a724405 KM |
1387 | blkerr(ino, s, blk) |
1388 | ino_t ino; | |
6e884967 | 1389 | char *s; |
1a724405 | 1390 | daddr_t blk; |
6e884967 | 1391 | { |
f5262822 | 1392 | |
1a724405 | 1393 | pfatal("%ld %s I=%u", blk, s, ino); |
6e884967 | 1394 | printf("\n"); |
1a724405 | 1395 | statemap[ino] = CLEAR; |
6e884967 KM |
1396 | } |
1397 | ||
1a724405 KM |
1398 | descend(parentino, inumber) |
1399 | struct inodesc *parentino; | |
1400 | ino_t inumber; | |
6e884967 KM |
1401 | { |
1402 | register DINODE *dp; | |
1a724405 | 1403 | struct inodesc curino; |
6e884967 | 1404 | |
1a724405 KM |
1405 | bzero((char *)&curino, sizeof(struct inodesc)); |
1406 | statemap[inumber] = FSTATE; | |
1407 | if ((dp = ginode(inumber)) == NULL) | |
6e884967 | 1408 | return; |
1a724405 KM |
1409 | if (dp->di_size == 0) { |
1410 | direrr(inumber, "ZERO LENGTH DIRECTORY"); | |
1411 | if (reply("REMOVE") == 1) | |
1412 | statemap[inumber] = CLEAR; | |
1413 | return; | |
1414 | } | |
1415 | if (dp->di_size < MINDIRSIZE) { | |
1416 | direrr(inumber, "DIRECTORY TOO SHORT"); | |
1417 | dp->di_size = MINDIRSIZE; | |
1418 | if (reply("FIX") == 1) | |
1419 | inodirty(); | |
1420 | } | |
1421 | curino.id_type = DATA; | |
1422 | curino.id_func = parentino->id_func; | |
1423 | curino.id_parent = parentino->id_number; | |
1424 | curino.id_number = inumber; | |
1425 | curino.id_filesize = dp->di_size; | |
1426 | (void)ckinode(dp, &curino); | |
6e884967 KM |
1427 | } |
1428 | ||
1a724405 KM |
1429 | dirscan(idesc) |
1430 | register struct inodesc *idesc; | |
6e884967 | 1431 | { |
24a31719 | 1432 | register DIRECT *dp; |
1a724405 KM |
1433 | int dsize, n; |
1434 | long blksiz; | |
754cadb5 | 1435 | char dbuf[DIRBLKSIZ]; |
6e884967 | 1436 | |
1a724405 KM |
1437 | if (idesc->id_type != DATA) |
1438 | errexit("wrong type to dirscan %d\n", idesc->id_type); | |
1439 | blksiz = idesc->id_numfrags * sblock.fs_fsize; | |
1440 | if (outrange(idesc->id_blkno, idesc->id_numfrags)) { | |
1441 | idesc->id_filesize -= blksiz; | |
6e884967 KM |
1442 | return (SKIP); |
1443 | } | |
1a724405 KM |
1444 | idesc->id_loc = 0; |
1445 | for (dp = fsck_readdir(idesc); dp != NULL; dp = fsck_readdir(idesc)) { | |
754cadb5 | 1446 | dsize = dp->d_reclen; |
1a724405 KM |
1447 | bcopy((char *)dp, dbuf, dsize); |
1448 | idesc->id_dirp = (DIRECT *)dbuf; | |
1449 | if ((n = (*idesc->id_func)(idesc)) & ALTERED) { | |
1450 | if (getblk(&fileblk, idesc->id_blkno, blksiz) != NULL) { | |
1451 | bcopy(dbuf, (char *)dp, dsize); | |
8ebf61ca | 1452 | dirty(&fileblk); |
6e884967 KM |
1453 | sbdirty(); |
1454 | } else | |
1a724405 | 1455 | n &= ~ALTERED; |
6e884967 | 1456 | } |
24a31719 | 1457 | if (n & STOP) |
6e884967 KM |
1458 | return (n); |
1459 | } | |
1a724405 | 1460 | return (idesc->id_filesize > 0 ? KEEPON : STOP); |
6e884967 KM |
1461 | } |
1462 | ||
24a31719 KM |
1463 | /* |
1464 | * get next entry in a directory. | |
1465 | */ | |
1466 | DIRECT * | |
1a724405 KM |
1467 | fsck_readdir(idesc) |
1468 | register struct inodesc *idesc; | |
24a31719 | 1469 | { |
754cadb5 | 1470 | register DIRECT *dp, *ndp; |
1a724405 | 1471 | long size, blksiz; |
24a31719 | 1472 | |
1a724405 KM |
1473 | blksiz = idesc->id_numfrags * sblock.fs_fsize; |
1474 | if (getblk(&fileblk, idesc->id_blkno, blksiz) == NULL) { | |
1475 | idesc->id_filesize -= blksiz - idesc->id_loc; | |
24a31719 KM |
1476 | return NULL; |
1477 | } | |
1a724405 KM |
1478 | if (idesc->id_loc % DIRBLKSIZ == 0 && idesc->id_filesize > 0 && |
1479 | idesc->id_loc < blksiz) { | |
1480 | dp = (DIRECT *)(dirblk.b_buf + idesc->id_loc); | |
1481 | if (dircheck(idesc, dp)) | |
1482 | goto dpok; | |
1483 | idesc->id_loc += DIRBLKSIZ; | |
1484 | idesc->id_filesize -= DIRBLKSIZ; | |
690f77ba KM |
1485 | dp->d_reclen = DIRBLKSIZ; |
1486 | dp->d_ino = 0; | |
1487 | dp->d_namlen = 0; | |
1a724405 KM |
1488 | dp->d_name[0] = '\0'; |
1489 | if (idesc->id_fix == DONTKNOW) | |
1490 | direrr(idesc->id_number, "DIRECTORY CORRUPTED"); | |
1491 | if (dofix(idesc)) | |
1492 | dirty(&fileblk); | |
1493 | return (dp); | |
690f77ba | 1494 | } |
1a724405 KM |
1495 | dpok: |
1496 | if (idesc->id_filesize <= 0 || idesc->id_loc >= blksiz) | |
690f77ba | 1497 | return NULL; |
1a724405 KM |
1498 | dp = (DIRECT *)(dirblk.b_buf + idesc->id_loc); |
1499 | idesc->id_loc += dp->d_reclen; | |
1500 | idesc->id_filesize -= dp->d_reclen; | |
1501 | ndp = (DIRECT *)(dirblk.b_buf + idesc->id_loc); | |
1502 | if ((idesc->id_filesize <= 0 && idesc->id_loc % DIRBLKSIZ != 0) || | |
1503 | (idesc->id_loc < blksiz && idesc->id_filesize > 0 && | |
1504 | dircheck(idesc, ndp) == 0)) { | |
1505 | size = DIRBLKSIZ - (idesc->id_loc % DIRBLKSIZ); | |
1506 | dp->d_reclen += size; | |
1507 | idesc->id_loc += size; | |
1508 | idesc->id_filesize -= size; | |
1509 | if (idesc->id_fix == DONTKNOW) | |
1510 | direrr(idesc->id_number, "DIRECTORY CORRUPTED"); | |
1511 | if (dofix(idesc)) | |
690f77ba | 1512 | dirty(&fileblk); |
24a31719 | 1513 | } |
690f77ba | 1514 | return (dp); |
24a31719 KM |
1515 | } |
1516 | ||
1a724405 KM |
1517 | /* |
1518 | * Verify that a directory entry is valid. | |
1519 | * This is a superset of the checks made in the kernel. | |
1520 | */ | |
1521 | dircheck(idesc, dp) | |
1522 | struct inodesc *idesc; | |
1523 | register DIRECT *dp; | |
1524 | { | |
1525 | register int size; | |
1526 | register char *cp; | |
1527 | int spaceleft; | |
1528 | ||
1529 | size = DIRSIZ(dp); | |
1530 | spaceleft = DIRBLKSIZ - (idesc->id_loc % DIRBLKSIZ); | |
1531 | if (dp->d_ino < imax && | |
1532 | dp->d_reclen != 0 && | |
1533 | dp->d_reclen <= spaceleft && | |
1534 | (dp->d_reclen & 0x3) == 0 && | |
1535 | dp->d_reclen >= size && | |
1536 | idesc->id_filesize >= size && | |
1537 | dp->d_namlen <= MAXNAMLEN) { | |
1538 | if (dp->d_ino == 0) | |
1539 | return (1); | |
1540 | for (cp = dp->d_name, size = 0; size < dp->d_namlen; size++) | |
1541 | if (*cp == 0 || (*cp++ & 0200)) | |
1542 | return (0); | |
1543 | if (*cp == 0) | |
1544 | return (1); | |
1545 | } | |
1546 | return (0); | |
1547 | } | |
1548 | ||
1549 | direrr(ino, s) | |
1550 | ino_t ino; | |
8ebf61ca | 1551 | char *s; |
6e884967 KM |
1552 | { |
1553 | register DINODE *dp; | |
1554 | ||
1555 | pwarn("%s ", s); | |
1a724405 | 1556 | pinode(ino); |
6e884967 | 1557 | printf("\n"); |
1a724405 KM |
1558 | if ((dp = ginode(ino)) != NULL && ftypeok(dp)) |
1559 | pfatal("%s=%s\n", DIRCT?"DIR":"FILE", pathname); | |
6e884967 | 1560 | else |
1a724405 | 1561 | pfatal("NAME=%s\n", pathname); |
6e884967 KM |
1562 | } |
1563 | ||
1a724405 KM |
1564 | adjust(idesc, lcnt) |
1565 | register struct inodesc *idesc; | |
1566 | short lcnt; | |
6e884967 KM |
1567 | { |
1568 | register DINODE *dp; | |
1569 | ||
1a724405 | 1570 | if ((dp = ginode(idesc->id_number)) == NULL) |
6e884967 KM |
1571 | return; |
1572 | if (dp->di_nlink == lcnt) { | |
1a724405 KM |
1573 | if (linkup(idesc->id_number, (ino_t)0) == 0) |
1574 | clri(idesc, "UNREF", 0); | |
6e884967 KM |
1575 | } |
1576 | else { | |
1577 | pwarn("LINK COUNT %s", | |
1a724405 KM |
1578 | (lfdir==idesc->id_number)?lfname:(DIRCT?"DIR":"FILE")); |
1579 | pinode(idesc->id_number); | |
6e884967 KM |
1580 | printf(" COUNT %d SHOULD BE %d", |
1581 | dp->di_nlink, dp->di_nlink-lcnt); | |
1582 | if (preen) { | |
1583 | if (lcnt < 0) { | |
1584 | printf("\n"); | |
1585 | preendie(); | |
1586 | } | |
1587 | printf(" (ADJUSTED)\n"); | |
1588 | } | |
1589 | if (preen || reply("ADJUST") == 1) { | |
1590 | dp->di_nlink -= lcnt; | |
1591 | inodirty(); | |
1592 | } | |
1593 | } | |
1594 | } | |
1595 | ||
1a724405 KM |
1596 | clri(idesc, s, flg) |
1597 | register struct inodesc *idesc; | |
8ebf61ca | 1598 | char *s; |
1a724405 | 1599 | int flg; |
6e884967 KM |
1600 | { |
1601 | register DINODE *dp; | |
1602 | ||
1a724405 | 1603 | if ((dp = ginode(idesc->id_number)) == NULL) |
6e884967 KM |
1604 | return; |
1605 | if (flg == 1) { | |
24a31719 | 1606 | pwarn("%s %s", s, DIRCT?"DIR":"FILE"); |
1a724405 | 1607 | pinode(idesc->id_number); |
6e884967 KM |
1608 | } |
1609 | if (preen || reply("CLEAR") == 1) { | |
1610 | if (preen) | |
1611 | printf(" (CLEARED)\n"); | |
1612 | n_files--; | |
1a724405 | 1613 | (void)ckinode(dp, idesc); |
6e884967 | 1614 | zapino(dp); |
1a724405 | 1615 | statemap[idesc->id_number] = USTATE; |
6e884967 KM |
1616 | inodirty(); |
1617 | inosumbad++; | |
1618 | } | |
1619 | } | |
1620 | ||
6e884967 KM |
1621 | badsb(s) |
1622 | char *s; | |
1623 | { | |
1624 | ||
1625 | if (preen) | |
1626 | printf("%s: ", devname); | |
1627 | printf("BAD SUPER BLOCK: %s\n", s); | |
1628 | pwarn("USE -b OPTION TO FSCK TO SPECIFY LOCATION OF AN ALTERNATE\n"); | |
1629 | pfatal("SUPER-BLOCK TO SUPPLY NEEDED INFORMATION; SEE fsck(8).\n"); | |
1630 | } | |
1631 | ||
1632 | DINODE * | |
1a724405 KM |
1633 | ginode(inumber) |
1634 | ino_t inumber; | |
6e884967 KM |
1635 | { |
1636 | daddr_t iblk; | |
1a724405 | 1637 | static ino_t startinum = 0; /* blk num of first in raw area */ |
6e884967 | 1638 | |
1a724405 KM |
1639 | |
1640 | if (inumber < ROOTINO || inumber > imax) { | |
1641 | if (debug && inumber > imax) | |
1642 | printf("inumber out of range (%d)\n", inumber); | |
6e884967 | 1643 | return (NULL); |
f3385032 | 1644 | } |
1a724405 KM |
1645 | if (startinum == 0 || |
1646 | inumber < startinum || inumber >= startinum + INOPB(&sblock)) { | |
1647 | iblk = itod(&sblock, inumber); | |
b6407c9d | 1648 | if (getblk(&inoblk, iblk, sblock.fs_bsize) == NULL) { |
6e884967 KM |
1649 | return (NULL); |
1650 | } | |
1a724405 | 1651 | startinum = (inumber / INOPB(&sblock)) * INOPB(&sblock); |
6e884967 | 1652 | } |
1a724405 | 1653 | return (&inoblk.b_un.b_dinode[inumber % INOPB(&sblock)]); |
6e884967 KM |
1654 | } |
1655 | ||
1656 | ftypeok(dp) | |
1657 | DINODE *dp; | |
1658 | { | |
1659 | switch (dp->di_mode & IFMT) { | |
1660 | ||
1661 | case IFDIR: | |
1662 | case IFREG: | |
1663 | case IFBLK: | |
1664 | case IFCHR: | |
ea47352d | 1665 | case IFLNK: |
c10dd4b2 | 1666 | case IFSOCK: |
6e884967 KM |
1667 | return (1); |
1668 | ||
1669 | default: | |
67272100 KM |
1670 | if (debug) |
1671 | printf("bad file type 0%o\n", dp->di_mode); | |
6e884967 KM |
1672 | return (0); |
1673 | } | |
1674 | } | |
1675 | ||
1676 | reply(s) | |
1677 | char *s; | |
1678 | { | |
1679 | char line[80]; | |
1680 | ||
1681 | if (preen) | |
1682 | pfatal("INTERNAL ERROR: GOT TO reply()"); | |
1683 | rplyflag = 1; | |
1684 | printf("\n%s? ", s); | |
1685 | if (nflag || dfile.wfdes < 0) { | |
1686 | printf(" no\n\n"); | |
1687 | return (0); | |
1688 | } | |
1689 | if (yflag) { | |
1690 | printf(" yes\n\n"); | |
1691 | return (1); | |
1692 | } | |
1693 | if (getline(stdin, line, sizeof(line)) == EOF) | |
1694 | errexit("\n"); | |
1695 | printf("\n"); | |
1696 | if (line[0] == 'y' || line[0] == 'Y') | |
1697 | return (1); | |
1698 | else | |
1699 | return (0); | |
1700 | } | |
1701 | ||
1702 | getline(fp, loc, maxlen) | |
1703 | FILE *fp; | |
1704 | char *loc; | |
1705 | { | |
1706 | register n; | |
1707 | register char *p, *lastloc; | |
1708 | ||
1709 | p = loc; | |
1710 | lastloc = &p[maxlen-1]; | |
1711 | while ((n = getc(fp)) != '\n') { | |
1712 | if (n == EOF) | |
1713 | return (EOF); | |
1714 | if (!isspace(n) && p < lastloc) | |
1715 | *p++ = n; | |
1716 | } | |
1717 | *p = 0; | |
1718 | return (p - loc); | |
1719 | } | |
1720 | ||
1721 | BUFAREA * | |
1722 | getblk(bp, blk, size) | |
6e884967 | 1723 | register BUFAREA *bp; |
1a724405 KM |
1724 | daddr_t blk; |
1725 | long size; | |
6e884967 KM |
1726 | { |
1727 | register struct filecntl *fcp; | |
b6407c9d | 1728 | daddr_t dblk; |
6e884967 KM |
1729 | |
1730 | fcp = &dfile; | |
b6407c9d KM |
1731 | dblk = fsbtodb(&sblock, blk); |
1732 | if (bp->b_bno == dblk) | |
6e884967 KM |
1733 | return (bp); |
1734 | flush(fcp, bp); | |
b6407c9d KM |
1735 | if (bread(fcp, bp->b_un.b_buf, dblk, size) != 0) { |
1736 | bp->b_bno = dblk; | |
6e884967 KM |
1737 | bp->b_size = size; |
1738 | return (bp); | |
1739 | } | |
1740 | bp->b_bno = (daddr_t)-1; | |
1741 | return (NULL); | |
1742 | } | |
1743 | ||
1744 | flush(fcp, bp) | |
1745 | struct filecntl *fcp; | |
1746 | register BUFAREA *bp; | |
1747 | { | |
1748 | ||
1749 | if (bp->b_dirty) | |
1a724405 | 1750 | (void)bwrite(fcp, bp->b_un.b_buf, bp->b_bno, (long)bp->b_size); |
6e884967 KM |
1751 | bp->b_dirty = 0; |
1752 | } | |
1753 | ||
1754 | rwerr(s, blk) | |
1755 | char *s; | |
1756 | daddr_t blk; | |
1757 | { | |
1758 | ||
1759 | if (preen == 0) | |
1760 | printf("\n"); | |
1761 | pfatal("CANNOT %s: BLK %ld", s, blk); | |
1762 | if (reply("CONTINUE") == 0) | |
1763 | errexit("Program terminated\n"); | |
1764 | } | |
1765 | ||
1766 | ckfini() | |
1767 | { | |
1768 | ||
1769 | flush(&dfile, &fileblk); | |
1770 | flush(&dfile, &sblk); | |
f3c028b7 KM |
1771 | if (sblk.b_bno != SBLOCK) { |
1772 | sblk.b_bno = SBLOCK; | |
1773 | sbdirty(); | |
1774 | flush(&dfile, &sblk); | |
1775 | } | |
6e884967 | 1776 | flush(&dfile, &inoblk); |
1a724405 KM |
1777 | (void)close(dfile.rfdes); |
1778 | (void)close(dfile.wfdes); | |
6e884967 KM |
1779 | } |
1780 | ||
1a724405 KM |
1781 | pinode(ino) |
1782 | ino_t ino; | |
6e884967 KM |
1783 | { |
1784 | register DINODE *dp; | |
1785 | register char *p; | |
24a31719 | 1786 | char uidbuf[BUFSIZ]; |
6e884967 KM |
1787 | char *ctime(); |
1788 | ||
1a724405 KM |
1789 | printf(" I=%u ", ino); |
1790 | if ((dp = ginode(ino)) == NULL) | |
6e884967 KM |
1791 | return; |
1792 | printf(" OWNER="); | |
1793 | if (getpw((int)dp->di_uid, uidbuf) == 0) { | |
1794 | for (p = uidbuf; *p != ':'; p++); | |
1795 | *p = 0; | |
1796 | printf("%s ", uidbuf); | |
1797 | } | |
1798 | else { | |
1799 | printf("%d ", dp->di_uid); | |
1800 | } | |
1801 | printf("MODE=%o\n", dp->di_mode); | |
1802 | if (preen) | |
1803 | printf("%s: ", devname); | |
1804 | printf("SIZE=%ld ", dp->di_size); | |
1805 | p = ctime(&dp->di_mtime); | |
1806 | printf("MTIME=%12.12s %4.4s ", p+4, p+20); | |
1807 | } | |
1808 | ||
6e884967 KM |
1809 | makecg() |
1810 | { | |
f3c028b7 | 1811 | int c, blk; |
bf541624 | 1812 | daddr_t dbase, d, dlower, dupper, dmax; |
6e884967 | 1813 | long i, j, s; |
1a724405 | 1814 | ino_t inumber; |
6e884967 | 1815 | register struct csum *cs; |
f3c028b7 | 1816 | register DINODE *dp; |
6e884967 | 1817 | |
0947395d KM |
1818 | sblock.fs_cstotal.cs_nbfree = 0; |
1819 | sblock.fs_cstotal.cs_nffree = 0; | |
1820 | sblock.fs_cstotal.cs_nifree = 0; | |
1821 | sblock.fs_cstotal.cs_ndir = 0; | |
6e884967 | 1822 | for (c = 0; c < sblock.fs_ncg; c++) { |
6994bf5d | 1823 | dbase = cgbase(&sblock, c); |
6e884967 | 1824 | dmax = dbase + sblock.fs_fpg; |
8f99f49c | 1825 | if (dmax > sblock.fs_size) { |
bf4c734c | 1826 | for ( ; dmax >= sblock.fs_size; dmax--) |
2e9860b5 | 1827 | clrbit(cgrp.cg_free, dmax - dbase); |
8f99f49c KM |
1828 | dmax++; |
1829 | } | |
bf541624 KM |
1830 | dlower = cgsblock(&sblock, c) - dbase; |
1831 | dupper = cgdmin(&sblock, c) - dbase; | |
b6407c9d | 1832 | cs = &sblock.fs_cs(&sblock, c); |
1a724405 | 1833 | (void)time(&cgrp.cg_time); |
6e884967 KM |
1834 | cgrp.cg_magic = CG_MAGIC; |
1835 | cgrp.cg_cgx = c; | |
67272100 KM |
1836 | if (c == sblock.fs_ncg - 1) |
1837 | cgrp.cg_ncyl = sblock.fs_ncyl % sblock.fs_cpg; | |
1838 | else | |
1839 | cgrp.cg_ncyl = sblock.fs_cpg; | |
6e884967 KM |
1840 | cgrp.cg_niblk = sblock.fs_ipg; |
1841 | cgrp.cg_ndblk = dmax - dbase; | |
0947395d KM |
1842 | cgrp.cg_cs.cs_ndir = 0; |
1843 | cgrp.cg_cs.cs_nffree = 0; | |
1844 | cgrp.cg_cs.cs_nbfree = 0; | |
1845 | cgrp.cg_cs.cs_nifree = 0; | |
bf541624 KM |
1846 | cgrp.cg_rotor = 0; |
1847 | cgrp.cg_frotor = 0; | |
92ea6158 | 1848 | cgrp.cg_irotor = 0; |
b6407c9d | 1849 | for (i = 0; i < sblock.fs_frag; i++) |
f3c028b7 | 1850 | cgrp.cg_frsum[i] = 0; |
1a724405 KM |
1851 | inumber = sblock.fs_ipg * c; |
1852 | for (i = 0; i < sblock.fs_ipg; inumber++, i++) { | |
bf4c734c KM |
1853 | cgrp.cg_cs.cs_nifree++; |
1854 | clrbit(cgrp.cg_iused, i); | |
1a724405 | 1855 | dp = ginode(inumber); |
f3c028b7 KM |
1856 | if (dp == NULL) |
1857 | continue; | |
1858 | if (ALLOC) { | |
24a31719 | 1859 | if (DIRCT) |
0947395d | 1860 | cgrp.cg_cs.cs_ndir++; |
bf4c734c | 1861 | cgrp.cg_cs.cs_nifree--; |
f3c028b7 KM |
1862 | setbit(cgrp.cg_iused, i); |
1863 | continue; | |
1864 | } | |
6e884967 KM |
1865 | } |
1866 | while (i < MAXIPG) { | |
1867 | clrbit(cgrp.cg_iused, i); | |
1868 | i++; | |
1869 | } | |
bf4c734c KM |
1870 | if (c == 0) |
1871 | for (i = 0; i < ROOTINO; i++) { | |
1872 | setbit(cgrp.cg_iused, i); | |
1873 | cgrp.cg_cs.cs_nifree--; | |
1874 | } | |
43f6367c KM |
1875 | for (s = 0; s < MAXCPG; s++) { |
1876 | cgrp.cg_btot[s] = 0; | |
6e884967 KM |
1877 | for (i = 0; i < NRPOS; i++) |
1878 | cgrp.cg_b[s][i] = 0; | |
43f6367c | 1879 | } |
6e884967 | 1880 | if (c == 0) { |
bf541624 | 1881 | dupper += howmany(sblock.fs_cssize, sblock.fs_fsize); |
6e884967 | 1882 | } |
bf541624 | 1883 | for (d = dlower; d < dupper; d++) |
6e884967 | 1884 | clrbit(cgrp.cg_free, d); |
bf541624 KM |
1885 | for (d = 0; (d + sblock.fs_frag) <= dmax - dbase; |
1886 | d += sblock.fs_frag) { | |
6e884967 | 1887 | j = 0; |
b6407c9d | 1888 | for (i = 0; i < sblock.fs_frag; i++) { |
bf541624 KM |
1889 | if (!getbmap(dbase + d + i)) { |
1890 | setbit(cgrp.cg_free, d + i); | |
6e884967 KM |
1891 | j++; |
1892 | } else | |
1893 | clrbit(cgrp.cg_free, d+i); | |
1894 | } | |
b6407c9d | 1895 | if (j == sblock.fs_frag) { |
0947395d | 1896 | cgrp.cg_cs.cs_nbfree++; |
43f6367c | 1897 | cgrp.cg_btot[cbtocylno(&sblock, d)]++; |
aca50d72 KM |
1898 | cgrp.cg_b[cbtocylno(&sblock, d)] |
1899 | [cbtorpos(&sblock, d)]++; | |
f3c028b7 | 1900 | } else if (j > 0) { |
0947395d | 1901 | cgrp.cg_cs.cs_nffree += j; |
bf541624 | 1902 | blk = blkmap(&sblock, cgrp.cg_free, d); |
b6407c9d | 1903 | fragacct(&sblock, blk, cgrp.cg_frsum, 1); |
f3c028b7 | 1904 | } |
6e884967 | 1905 | } |
f3c028b7 | 1906 | for (j = d; d < dmax - dbase; d++) { |
bf541624 | 1907 | if (!getbmap(dbase + d)) { |
6e884967 | 1908 | setbit(cgrp.cg_free, d); |
0947395d | 1909 | cgrp.cg_cs.cs_nffree++; |
6e884967 KM |
1910 | } else |
1911 | clrbit(cgrp.cg_free, d); | |
1912 | } | |
67272100 KM |
1913 | for (; d % sblock.fs_frag != 0; d++) |
1914 | clrbit(cgrp.cg_free, d); | |
f3c028b7 | 1915 | if (j != d) { |
bf541624 | 1916 | blk = blkmap(&sblock, cgrp.cg_free, j); |
b6407c9d | 1917 | fragacct(&sblock, blk, cgrp.cg_frsum, 1); |
f3c028b7 | 1918 | } |
67272100 KM |
1919 | for (d /= sblock.fs_frag; d < MAXBPG(&sblock); d ++) |
1920 | clrblock(&sblock, cgrp.cg_free, d); | |
0947395d KM |
1921 | sblock.fs_cstotal.cs_nffree += cgrp.cg_cs.cs_nffree; |
1922 | sblock.fs_cstotal.cs_nbfree += cgrp.cg_cs.cs_nbfree; | |
1923 | sblock.fs_cstotal.cs_nifree += cgrp.cg_cs.cs_nifree; | |
1924 | sblock.fs_cstotal.cs_ndir += cgrp.cg_cs.cs_ndir; | |
1925 | *cs = cgrp.cg_cs; | |
1a724405 KM |
1926 | (void)bwrite(&dfile, (char *)&cgrp, |
1927 | fsbtodb(&sblock, cgtod(&sblock, c)), sblock.fs_cgsize); | |
6e884967 | 1928 | } |
bf541624 | 1929 | for (i = 0, j = 0; i < sblock.fs_cssize; i += sblock.fs_bsize, j++) { |
1a724405 | 1930 | (void)bwrite(&dfile, (char *)sblock.fs_csp[j], |
bf541624 KM |
1931 | fsbtodb(&sblock, sblock.fs_csaddr + j * sblock.fs_frag), |
1932 | sblock.fs_cssize - i < sblock.fs_bsize ? | |
1933 | sblock.fs_cssize - i : sblock.fs_bsize); | |
c2a050cf | 1934 | } |
6e884967 KM |
1935 | sblock.fs_ronly = 0; |
1936 | sblock.fs_fmod = 0; | |
1937 | sbdirty(); | |
1938 | } | |
1939 | ||
1a724405 KM |
1940 | findino(idesc) |
1941 | struct inodesc *idesc; | |
6e884967 | 1942 | { |
1a724405 KM |
1943 | register DIRECT *dirp = idesc->id_dirp; |
1944 | ||
6e884967 KM |
1945 | if (dirp->d_ino == 0) |
1946 | return (KEEPON); | |
24a31719 KM |
1947 | if (!strcmp(dirp->d_name, srchname)) { |
1948 | if (dirp->d_ino >= ROOTINO && dirp->d_ino <= imax) | |
1a724405 | 1949 | idesc->id_parent = dirp->d_ino; |
24a31719 | 1950 | return (STOP); |
6e884967 KM |
1951 | } |
1952 | return (KEEPON); | |
1953 | } | |
1954 | ||
1a724405 KM |
1955 | mkentry(idesc) |
1956 | struct inodesc *idesc; | |
6e884967 | 1957 | { |
1a724405 | 1958 | register DIRECT *dirp = idesc->id_dirp; |
754cadb5 KM |
1959 | DIRECT newent; |
1960 | int newlen, oldlen; | |
6e884967 | 1961 | |
754cadb5 KM |
1962 | newent.d_namlen = 11; |
1963 | newlen = DIRSIZ(&newent); | |
1964 | if (dirp->d_ino != 0) | |
1965 | oldlen = DIRSIZ(dirp); | |
1966 | else | |
1967 | oldlen = 0; | |
1968 | if (dirp->d_reclen - oldlen < newlen) | |
6e884967 | 1969 | return (KEEPON); |
754cadb5 KM |
1970 | newent.d_reclen = dirp->d_reclen - oldlen; |
1971 | dirp->d_reclen = oldlen; | |
1972 | dirp = (struct direct *)(((char *)dirp) + oldlen); | |
1a724405 | 1973 | dirp->d_ino = idesc->id_parent; /* ino to be entered is in id_parent */ |
754cadb5 | 1974 | dirp->d_reclen = newent.d_reclen; |
1a724405 KM |
1975 | dirp->d_namlen = lftempname(dirp->d_name, idesc->id_parent); |
1976 | return (ALTERED|STOP); | |
6e884967 KM |
1977 | } |
1978 | ||
1a724405 KM |
1979 | chgdd(idesc) |
1980 | struct inodesc *idesc; | |
6e884967 | 1981 | { |
1a724405 KM |
1982 | register DIRECT *dirp = idesc->id_dirp; |
1983 | ||
6e884967 KM |
1984 | if (dirp->d_name[0] == '.' && dirp->d_name[1] == '.' && |
1985 | dirp->d_name[2] == 0) { | |
1986 | dirp->d_ino = lfdir; | |
1a724405 | 1987 | return (ALTERED|STOP); |
6e884967 KM |
1988 | } |
1989 | return (KEEPON); | |
1990 | } | |
1991 | ||
1a724405 KM |
1992 | linkup(orphan, pdir) |
1993 | ino_t orphan; | |
1994 | ino_t pdir; | |
6e884967 KM |
1995 | { |
1996 | register DINODE *dp; | |
bec6e7fb | 1997 | int lostdir, len; |
1a724405 | 1998 | struct inodesc idesc; |
6e884967 | 1999 | |
1a724405 KM |
2000 | bzero((char *)&idesc, sizeof(struct inodesc)); |
2001 | if ((dp = ginode(orphan)) == NULL) | |
6e884967 | 2002 | return (0); |
24a31719 | 2003 | lostdir = DIRCT; |
6e884967 | 2004 | pwarn("UNREF %s ", lostdir ? "DIR" : "FILE"); |
1a724405 | 2005 | pinode(orphan); |
6e884967 KM |
2006 | if (preen && dp->di_size == 0) |
2007 | return (0); | |
2008 | if (preen) | |
2009 | printf(" (RECONNECTED)\n"); | |
2010 | else | |
2011 | if (reply("RECONNECT") == 0) | |
2012 | return (0); | |
bec6e7fb KM |
2013 | pathp = pathname; |
2014 | *pathp++ = '/'; | |
2015 | *pathp = '\0'; | |
6e884967 | 2016 | if (lfdir == 0) { |
1a724405 | 2017 | if ((dp = ginode(ROOTINO)) == NULL) |
6e884967 | 2018 | return (0); |
6e884967 | 2019 | srchname = lfname; |
1a724405 KM |
2020 | idesc.id_type = DATA; |
2021 | idesc.id_func = findino; | |
2022 | idesc.id_number = ROOTINO; | |
2023 | idesc.id_filesize = dp->di_size; | |
2024 | (void)ckinode(dp, &idesc); | |
2025 | if ((lfdir = idesc.id_parent) == 0) { | |
6e884967 KM |
2026 | pfatal("SORRY. NO lost+found DIRECTORY"); |
2027 | printf("\n\n"); | |
2028 | return (0); | |
2029 | } | |
2030 | } | |
1a724405 KM |
2031 | if ((dp = ginode(lfdir)) == NULL || |
2032 | !DIRCT || statemap[lfdir] != FSTATE) { | |
6e884967 KM |
2033 | pfatal("SORRY. NO lost+found DIRECTORY"); |
2034 | printf("\n\n"); | |
2035 | return (0); | |
2036 | } | |
3352e84a KM |
2037 | if (fragoff(&sblock, dp->di_size)) { |
2038 | dp->di_size = fragroundup(&sblock, dp->di_size); | |
6e884967 KM |
2039 | inodirty(); |
2040 | } | |
bec6e7fb KM |
2041 | len = strlen(lfname); |
2042 | bcopy(lfname, pathp, len + 1); | |
2043 | pathp += len; | |
1a724405 KM |
2044 | idesc.id_type = DATA; |
2045 | idesc.id_func = mkentry; | |
2046 | idesc.id_number = lfdir; | |
2047 | idesc.id_filesize = dp->di_size; | |
2048 | idesc.id_parent = orphan; /* this is the inode to enter */ | |
bec6e7fb | 2049 | idesc.id_fix = DONTKNOW; |
1a724405 | 2050 | if ((ckinode(dp, &idesc) & ALTERED) == 0) { |
6e884967 KM |
2051 | pfatal("SORRY. NO SPACE IN lost+found DIRECTORY"); |
2052 | printf("\n\n"); | |
2053 | return (0); | |
2054 | } | |
1a724405 | 2055 | lncntp[orphan]--; |
bec6e7fb KM |
2056 | *pathp++ = '/'; |
2057 | pathp += lftempname(pathp, orphan); | |
6e884967 | 2058 | if (lostdir) { |
1a724405 KM |
2059 | dp = ginode(orphan); |
2060 | idesc.id_type = DATA; | |
2061 | idesc.id_func = chgdd; | |
2062 | idesc.id_number = orphan; | |
2063 | idesc.id_filesize = dp->di_size; | |
bec6e7fb | 2064 | idesc.id_fix = DONTKNOW; |
1a724405 KM |
2065 | (void)ckinode(dp, &idesc); |
2066 | if ((dp = ginode(lfdir)) != NULL) { | |
6e884967 KM |
2067 | dp->di_nlink++; |
2068 | inodirty(); | |
1a724405 | 2069 | lncntp[lfdir]++; |
6e884967 | 2070 | } |
6e884967 KM |
2071 | pwarn("DIR I=%u CONNECTED. ", orphan); |
2072 | printf("PARENT WAS I=%u\n", pdir); | |
2073 | if (preen == 0) | |
2074 | printf("\n"); | |
2075 | } | |
2076 | return (1); | |
2077 | } | |
2078 | ||
1a724405 KM |
2079 | /* |
2080 | * generate a temporary name for the lost+found directory. | |
2081 | */ | |
2082 | lftempname(bufp, ino) | |
2083 | char *bufp; | |
2084 | ino_t ino; | |
2085 | { | |
2086 | register ino_t in; | |
2087 | register char *cp; | |
2088 | int namlen; | |
2089 | ||
2090 | cp = bufp + 2; | |
2091 | for (in = imax; in > 0; in /= 10) | |
2092 | cp++; | |
2093 | *--cp = 0; | |
2094 | namlen = cp - bufp; | |
2095 | in = ino; | |
2096 | while (cp > bufp) { | |
2097 | *--cp = (in % 10) + '0'; | |
2098 | in /= 10; | |
2099 | } | |
2100 | *cp = '#'; | |
2101 | return (namlen); | |
2102 | } | |
2103 | ||
6e884967 | 2104 | bread(fcp, buf, blk, size) |
6e884967 | 2105 | register struct filecntl *fcp; |
6e884967 | 2106 | char *buf; |
1a724405 KM |
2107 | daddr_t blk; |
2108 | long size; | |
6e884967 | 2109 | { |
1a724405 | 2110 | if (lseek(fcp->rfdes, (long)dbtob(blk), 0) < 0) |
6e884967 | 2111 | rwerr("SEEK", blk); |
1a724405 | 2112 | else if (read(fcp->rfdes, buf, (int)size) == size) |
6e884967 KM |
2113 | return (1); |
2114 | rwerr("READ", blk); | |
2115 | return (0); | |
2116 | } | |
2117 | ||
2118 | bwrite(fcp, buf, blk, size) | |
6e884967 | 2119 | register struct filecntl *fcp; |
6e884967 | 2120 | char *buf; |
1a724405 KM |
2121 | daddr_t blk; |
2122 | long size; | |
6e884967 KM |
2123 | { |
2124 | ||
2125 | if (fcp->wfdes < 0) | |
2126 | return (0); | |
1a724405 | 2127 | if (lseek(fcp->wfdes, (long)dbtob(blk), 0) < 0) |
6e884967 | 2128 | rwerr("SEEK", blk); |
1a724405 | 2129 | else if (write(fcp->wfdes, buf, (int)size) == size) { |
6e884967 KM |
2130 | fcp->mod = 1; |
2131 | return (1); | |
2132 | } | |
2133 | rwerr("WRITE", blk); | |
2134 | return (0); | |
2135 | } | |
2136 | ||
2137 | catch() | |
2138 | { | |
2139 | ||
2140 | ckfini(); | |
2141 | exit(12); | |
2142 | } | |
b6407c9d | 2143 | |
d2c95d76 BJ |
2144 | char * |
2145 | unrawname(cp) | |
2146 | char *cp; | |
2147 | { | |
2148 | char *dp = rindex(cp, '/'); | |
2149 | struct stat stb; | |
2150 | ||
2151 | if (dp == 0) | |
2152 | return (cp); | |
2153 | if (stat(cp, &stb) < 0) | |
2154 | return (cp); | |
2155 | if ((stb.st_mode&S_IFMT) != S_IFCHR) | |
2156 | return (cp); | |
2157 | if (*(dp+1) != 'r') | |
2158 | return (cp); | |
1a724405 | 2159 | (void)strcpy(dp+1, dp+2); |
d2c95d76 BJ |
2160 | return (cp); |
2161 | } | |
2162 | ||
2163 | char * | |
2164 | rawname(cp) | |
2165 | char *cp; | |
2166 | { | |
2167 | static char rawbuf[32]; | |
2168 | char *dp = rindex(cp, '/'); | |
2169 | ||
2170 | if (dp == 0) | |
2171 | return (0); | |
2172 | *dp = 0; | |
1a724405 | 2173 | (void)strcpy(rawbuf, cp); |
d2c95d76 | 2174 | *dp = '/'; |
1a724405 KM |
2175 | (void)strcat(rawbuf, "/r"); |
2176 | (void)strcat(rawbuf, dp+1); | |
d2c95d76 BJ |
2177 | return (rawbuf); |
2178 | } | |
2179 | ||
1a724405 KM |
2180 | /* |
2181 | * determine whether an inode should be fixed. | |
2182 | */ | |
2183 | dofix(idesc) | |
2184 | register struct inodesc *idesc; | |
2185 | { | |
2186 | switch (idesc->id_fix) { | |
2187 | ||
2188 | case DONTKNOW: | |
2189 | if (reply("FIX") == 0) { | |
2190 | idesc->id_fix = NOFIX; | |
2191 | return (0); | |
2192 | } | |
2193 | idesc->id_fix = FIX; | |
2194 | return (ALTERED); | |
2195 | ||
2196 | case FIX: | |
2197 | return (ALTERED); | |
2198 | ||
2199 | case NOFIX: | |
2200 | return (0); | |
2201 | ||
2202 | default: | |
2203 | errexit("UNKNOWN INODESC FIX MODE %d\n", idesc->id_fix); | |
2204 | } | |
2205 | /* NOTREACHED */ | |
2206 | } | |
2207 | ||
d2c95d76 BJ |
2208 | /* VARARGS1 */ |
2209 | error(s1, s2, s3, s4) | |
2210 | char *s1; | |
2211 | { | |
4d308541 | 2212 | |
d2c95d76 BJ |
2213 | printf(s1, s2, s3, s4); |
2214 | } | |
4d308541 | 2215 | |
d2c95d76 BJ |
2216 | /* VARARGS1 */ |
2217 | errexit(s1, s2, s3, s4) | |
2218 | char *s1; | |
2219 | { | |
2220 | error(s1, s2, s3, s4); | |
2221 | exit(8); | |
2222 | } | |
4d308541 KM |
2223 | |
2224 | /* | |
d2c95d76 | 2225 | * An inconsistency occured which shouldn't during normal operations. |
af5ba2f8 | 2226 | * Die if preening, otherwise just printf. |
4d308541 | 2227 | */ |
d2c95d76 BJ |
2228 | /* VARARGS1 */ |
2229 | pfatal(s, a1, a2, a3) | |
2230 | char *s; | |
2231 | { | |
4d308541 | 2232 | |
d2c95d76 BJ |
2233 | if (preen) { |
2234 | printf("%s: ", devname); | |
2235 | printf(s, a1, a2, a3); | |
2236 | printf("\n"); | |
2237 | preendie(); | |
2238 | } | |
2239 | printf(s, a1, a2, a3); | |
2240 | } | |
4d308541 | 2241 | |
d2c95d76 BJ |
2242 | preendie() |
2243 | { | |
4d308541 | 2244 | |
d2c95d76 BJ |
2245 | printf("%s: UNEXPECTED INCONSISTENCY; RUN fsck MANUALLY.\n", devname); |
2246 | exit(8); | |
2247 | } | |
4d308541 KM |
2248 | |
2249 | /* | |
d2c95d76 BJ |
2250 | * Pwarn is like printf when not preening, |
2251 | * or a warning (preceded by filename) when preening. | |
4d308541 | 2252 | */ |
d2c95d76 BJ |
2253 | /* VARARGS1 */ |
2254 | pwarn(s, a1, a2, a3, a4, a5, a6) | |
2255 | char *s; | |
2256 | { | |
2257 | ||
2258 | if (preen) | |
2259 | printf("%s: ", devname); | |
2260 | printf(s, a1, a2, a3, a4, a5, a6); | |
2261 | } | |
9a4020f4 | 2262 | |
1a724405 KM |
2263 | #ifndef lint |
2264 | /* | |
2265 | * Stub for routines from kernel. | |
2266 | */ | |
9a4020f4 BJ |
2267 | panic(s) |
2268 | char *s; | |
2269 | { | |
2270 | ||
1a724405 | 2271 | pfatal("INTERNAL INCONSISTENCY: %s\n", s); |
9a4020f4 BJ |
2272 | exit(12); |
2273 | } | |
1a724405 | 2274 | #endif |